論文

• Takehiro Koike, Hena Das, Kengo Oka, Yoshihiro Kusano, Fernando Cubillas, Francisco B. Bojorqez, Victor Emmanuel Alvarez-Montano, Shigekazu Ito, Kei Shigematsu, Hayato Togano, Ikuya Yamada, Hiroki Ishibashi, Kubota Yoshiki, Shigeo Mori, Noboru Kimizuka, Masaki Azuma. Pressure-Induced YbFe2O4-Type to Spinel Structural Change of InGaMgO4, Solids, vol. 5, no. 3, pp. 422-433, Aug. 2024.
• Satoru Kaneko, Takashi Tokumasu, Manabu Yasui, Masahito Kurouchi, Daishi Shiojiri, Shigeo Yasuhara, Sumanta Kumar Sahoo, Musa Mutlu Can, Ruei Sung Yu, Kripasindhu Sardar, Masahiro Yoshimura, Masaki Azuma, Akifumi Matsuda, Mamoru Yoshimoto. Crystal orientation of epitaxial film deposited on silicon surface, Scientific Reports, Springer Nature, 14, May 2024.  公式リンク  
  
• Takafumi Yamamoto, Yuya Otsubo, Teppei Nagase, Taiki Kosuge, Masaki Azuma. Synthesis and Structure of Vacancy-Ordered Perovskite Ba₆Ta₂Na₂X₂O₁₇ (X = P, V): Significance of Structural Model Selection on Discovered Compounds, Inorganic Chemistry, 63, 10, 4482-4486, Feb. 2024.
• Qiu min Liu, Hena Das, Takumi Nishikubo, Yuki Sakai, Ko Mibu, Tomoko Onoue, Takateru Kawakami, Tetsu Watanuki, Akihiko Machida, Xubin Ye, Jianhong Dai, Zhao Pan, Lei Hu, Satoshi Nakano, Masayuki Fukuda, Shiori Kihara, Koomok Lee, Takehiro Koike, Youwen Long, Masaki Azum. ressure Induced Amorphization of Pb²⁺ and Pb⁴⁺ in Perovskite PbFeO₃, Chemistry of Materials, 36, 1899-1907, Feb. 2024.
• Botao Gao, Zhengyang Zhou, Shiqing Deng, Koomok Lee, Masayuki Fukuda, Lei Hu, Masaki Azuma, Hui Liu, Jun Chen. Emergent Three-Dimensional Electric Dipole Sinewave in Bulk Perovskite Oxide, Nano Letters, 24, 10, 3118-3124, Feb. 2024.
• Feiyu Qin, Lei Hu, Yingcai Zhu, Yuki Sakai, Shogo Kawaguchi, Akihiko Machida, Tetsu Watanuki, Yue-Wen Fang, Jun Sun, Xiangdong Ding, Masaki Azuma. Integrating abnormal thermal expansion and ultralow thermal conductivity into (Cd,Ni)₂Re₂O₇ via synergy of local structure distortion and soft acoustic phonons, Acta Materialia, 264, 119544, Nov. 2023.
• Haoting Zhao, Zhao Pan, Xi Shen, Jianfa Zhao, Dabiao Lu, Jie Zhang, Zhiwei Hu, Chang-Yang Kuo, Chien-Te Chen, Ting-Shan Chan, Christoph J. Sahle, Cheng Dong, Takumi Nishikubo, Takehiro Koike, Zun-Yi Deng, Jiawang Hong, Runze Yu, * Pu Yu, Masaki Azuma, Changqing Jin, Youwen Long. Antiferroelectricity-Induced Negative Thermal Expansion inDouble Perovskite Pb₂CoMoO₆, Small, 20, 2, 2305219, Sept. 2023.
• Gaku Okuma, Masaya Endo, Haruki Minagawa, Ryo Inoue, Hideki Kakisawa, Takuma Kohata, Toshio Osada, Takafumi Yamamoto, Masaki Azuma, Akihisa Takeuchi, Masayuki Uesugi, Olivier Guillon, Fumihiro Wakai. 3D Visualization of Morphological Evolution of Large Defects during Spark Plasma Sintering of Alumina Granules, Advanced Engineering Materials, Vol. 25, pp. 2201534, Sept. 2023.
• Takuya Ohmi, Iain W. H. Oswald, James R. Neilson, Nikolaj Roth, Shunta Nishioka, Kazuhiko Maeda, Kotaro Fujii, Masatomo Yashima, Masaki Azuma, Takafumi Yamamoto. Thiocyanate-Stabilized Pseudo-cubic Perovskite CH(NH2)2PbI3 from Coincident Columnar Defect Lattices, Journal of the American Chemical Society, 145, 19759-19767, Aug. 2023.  公式リンク  
  
• Ikeda M, Jalem R, Hasegawa G, Kuwata N, Liu Q, Yamamoto T, Shigematsu K., Tateyama Y, Azuma M. Theoretical Prediction and High-Pressure Synthesis of New LISICON-Type Solid-State Electrolyte Li_2.75[B_0.625P_0.125S_0.25]O_3.375, The Journal of Physical Chemistry C, 127, 29, 14117-14124, July 2023.
• Jinya Suzuki, Hiroyasu Okochi, Naoki Matsui, Teppei Nagase, Haruki Tochizawa, Hiroki Sahara, Takumi Nishikubo, Yuki Sakai, Takuya Ohmi, Zhao Pan, Takashi Saito, Hiroyuki Saitoh, Atsunori Ikezawa, Hajime Arai, Ryoji Kanno, Takafumi Yamamoto, Masaki Azuma. Selective Synthesis of Perovskite Oxyhydrides Using a High-Pressure Flux Method, Journal of the American Chemical Society, American Chemical Society, Vol. 145, No. 30, pp. 16398-16405, July 2023.  公式リンク  
  
• Blair W. Lebert, Benjamin Bacq-Labreuil, Mark P. M. Dean, Kari Ruotsalainen, Alessandro Nicolaou, Simo Huotari, Ikuya Yamada, Hajime Yamamoto, Masaki Azuma, Nicholas B. Brookes, Flora Yakhou, Hu Miao, David Santos-Cottin, Benjamin Lenz, Silke Biermann, Matteo d’Astuto. Paramagnon dispersion and damping in doped Na_xCa_2-xCuO₂Cl₂, Physical Review B, 108, 2, 024506, July 2023.
• Takuma Itoh, Kei Shigematsu, Takumi Nishikubo, MasakiAzuma. Out‑of‑plane polarization reversal and changes in in‑plane ferroelectric and ferromagnetic domains of multiferroic BiFe_0.9Co_0.1O₃ thin flms by water printing, Scientifc Reports, 13, 7236, May 2023.
• Hajime Yamamoto, Sachiko Kamiyama, Takumi Nishikubo, Masaki Azuma, Ikuya Yamada, Hiroyuki Kimura. Large negative thermal expansion induced by cation dimerization in ilmenite-type vanadate ceramic, Applied Physics Letters, 120, 201901, May 2023.
• Zhao Pan, Xingxing Jiang, Runze Yu, Yang Ren, Zheshuai Lin, Jun Chen, Xianran Xing, Zhao Pan, Xingxing Jiang, Runze Yu, Yang Ren, Zheshuai Lin, Jun Chen, Masaki Azuma, Xianran Xing. Transformation of Thermal Expansion from Large Volume Contraction to Nonlinear Strong Negative Thermal Expansion in PbTiO₃-Bi(Co_1-xFe_x)O₃ Perovskites, Acs Applied Materials & Interfaces, 14, 20, 23610-23616, May 2023.
• Masayuki Fukuda, Takumi Nishikubo, Hongwu Yu, Yoichi Okimoto, Shin-ya Koshihara, Kazunari Yamaura, Masaki Azuma. A-Site Columnar-Ordered Perovskite CaZnV₂O₆ as a Pauli-Paramagnetic Metal, Inorganic Chemistry, 62, 8372-8378, May 2023.
• Kei Shigematsu, Marin Katsumata, Takuma Itoh, Keita Ozawa, Haruki Shimizu, Keisuke Shimizu, Masaki Azuma. Magnetic Domain Change Induced by In-Plane Electric Polarization Switching in Bi(Fe, Co)O₃ Thin Film, Advanced Physics Research, 2, 220009, Apr. 2023.
• Takafumi Yamamoto, Shogo Kawaguchi, Taiki Kosuge, Akira Sugai, Naoki Tsunoda, Yu Kumagai, Kosuke Beppu, Takuya Ohmi, Teppei Nagase, Kotaro Higashi, Kazuo Kato, Kiyofumi Nitta, Tomoya Uruga, Seiji Yamazoe, Fumiyasu Oba, Tsunehiro Tanaka, Masaki Azuma, Saburo Hosokawa. Emergence of Dynamically‐Disordered Phases During Fast Oxygen Deintercalation Reaction of Layered Perovskite, Advanced Science, Vol. 10, 2301876, Apr. 2023.  公式リンク  
  
• Kengo. Oka, T. Ogawa, H. Yamamoto, Chika. Sakaguchi, R. Gallage, N. Kobayashi, Masaki Azuma. Compaction of α”-Fe₁₆N₂ particles by high-pressure treatment at several gigapascals, Scripta Materialia, 229, 115390, Mar. 2023.
• Takumi Nishikubo, Takashi Imai, Yuki Sakai, Masaichiro Mizumaki, Shogo Kawaguchi, Norihiro Oshime, Ayumu Shimada, Kento Sugawara, Kenji Ohwada, Akihiko Machida, Tetsu Watanuki, Kosuke Kurushima, Shigeo Mori, Takashi Mizokawa, Masaki Azuma. Polar−Nonpolar Transition-Type Negative Thermal Expansion with 11.1% Volume Shrinkage by Design, Chemistry of Materials, 35, 870-878, Jan. 2023.
• Yuki Sakai, Kana Matsuno, Takumi Nishikubo, Masayuki Fukuda, Shogo Wakazaki, Masahito Ikeda, Kazuki Takahashi, Zhao Pan, Lei Hu, Masaki Azuma. Two Types of Negative Thermal Expansion Observed in PbCr_1−xTi_xO₃, Chemistry of Materials, 35, 1008-1015, Jan. 2023.
• Ariunzaya Tsogoo, Ninjbadgar Tsedev, Alain Gibaud, Philippe Daniel, Abdelhadi Kassiba, Masayuki Fukuda, Yoshihiro Kusano, Masaki Azuma, Namsrai Tsogbadrakh, Galbadrakh Ragchaa, Rentsenmyadag Dashzeveg, Erdene-Ochir Ganbold. Experimental and ab initio studies on the structural, magnetic, photocatalytic, and antibacterial properties of Cu-doped ZnO nanoparticles, RSC Advances, 13, 1256-1266, Jan. 2023.
• Masayuki Fukuda, Hidenobu Murata, Takumi Nishikubo, Qiumin Liu, Koomok Lee, Takehiro Koike, Yuma Takahashi, Saori I. Kawaguchi, Naohisa Hirao, Hiroshi Funakubo, Masaki Azuma. Suppression of Pressure-Induced Phase Transitions in a Monoclinically Distorted LiNbO₃-Type CuNbO₃ by Preference for a CuO₃ Triangular Coordination Environment, Inorganic Chemistry, 61, 32, 12719-12725, Aug. 2022.
• Takehiro Koike, Takumi Nishikubo, Yuki Sakai, Hirofumi Ishii, Masaki Azuma. Negative thermal expansion in PbTiO₃-type perovskites oxide Bi_0.5+xNa_0.5−xVO₃, Journal of the Ceramic Society of Japan , 130, 8, 691-695, Aug. 2022.
• Shiori Kihara, Yuki Sakai, Shogo Wakazaki, Takumi Nishikubo, Takehiro Koike, Ko Mibu, Hongwu Yu, Yoichi Okimoto, Shin-ya Koshihara, Masaki Azuma. Bi_0.5Pb_0.5FeO₃ with Unusual Pb Charge Disproportionation: Indication of a Systematic Charge Distribution Change in Bi_0.5Pb_0.5MO₃ (M: 3d Transition Metal), Inorganic Chemistry, 61, 32, 12822-12827, Aug. 2022.
• Hiroshi Nakajima, Akihiro Osako, NoriharuYodoshi, YoshiharuYamada, HirofumiTsukasaki, Ken Harada, Yuki Sakai, Kei Shigematsu, Takumi Nishikubo, Masaki Azuma, Shigeo Mori. Magnetization controlled by crystallization in soft magnetic Fe-Si-B-P-Cu alloys, Microscopy, Aug. 2022.
• Kengo Oka, Miho Takasu, Wataru Nishiki, Takumi Nishikubo, Masaki Azuma, Naoki Noma, Mitsunobu Iwasaki. Negative Thermal Expansion in Fluoroapatite Pb₅(VO₄)₃F Enhanced by the Steric Effect of Pb²⁺, 61, 12552-12558, Aug. 2022.
• Koomok Lee, Kei Shigematsu, Masaki Azuma. Heteroepitaxial growth of InSb thin film on SrTiO₃ (001) by pulsed laser deposition for magnetic Hall sensor application, Japanese Journal of Applied Physics, 61, 8, 080902, July 2022.
• Teppei Nagase, Takumi Nishikubo, Masayuki Fukuda, Yuki Sakai, Kei Shigematsu, Yoichi Ikeda, Yusuke Nambu, Zhang Qiang, masaaki matsuda, Kou Mibu, Masaki Azuma, Takafumi Yamamoto. SrV_0.3Fe_0.7O_2.8: A Vacancy-Ordered Fe-Based Perovskite Exhibiting Room-Temperature Magnetoresistance, Inorganic Chemistry, Vol. 61, No. 24, pp. 8987-8991, June 2022.  公式リンク  
  
• Takuya Ohmi, Tomoaki Miura, Kei Shigematsu, Alexandra A. Koegel, Brian S. Newell, James R. Neilson, Tadaaki Ikoma, Masaki Azuma, Takafumi Yamamoto. Temperature-induced structural transition in an organic–inorganic hybrid layered perovskite (MA)2PbI2−xBrx(SCN)2, CrystEngComm, Volume 24, Issue 30, Page 5428-5434, June 2022.  公式リンク  
  
• Yiran Wang, Masayuki Fukuda, Sergey Nikolaev, Atsushi Miyake, Kent J. Griffith, Matthew L. Nisbet, Emily Hiralal, Romain Gautier, Brandon L. Fisher, Masashi Tokunaga, Masaki Azuma, Kenneth R. Poeppelmeier. Two Distinct Cu(II)−V(IV) Superexchange Interactions with Similar Bond Angles in a Triangular “CuV₂” Fragment,  Inorganic Chemistry, 61, 10234-10241, June 2022.
• Koomok Lee, Kei Shigematsu, Hena Das, Masaki Azuma. Exploring the correlation between the spin-state configuration and the magnetic order in Co-substituted BiFeO₃, Physical Review Materials, 6, 064401, June 2022.
• Sachiko Kamiyama, Ikuya Yamada, Masayuki Fukuda, Yuichi Okazaki, Takashi Nakamura, Takumi Nishikubo, Masaki Azuma, Hiroyuki Kimura, Hajime Yamamoto. V–V Dimerization and Magnetic State of Cobalt Ions in Ilmenite-Type CoVO₃,  Inorganic Chemistry, 61, 7841-7846, May 2022.
• Harry W. T. Morgan, Takafumi Yamamoto, Takumi Nishikubo, Takuya Ohmi, Takehiro Koike, Yuki Sakai, Masaki Azuma, Hirofumi Ishii, Genki Kobayashi, John E. McGrady. Sequential Pressure-Induced B1−B2 Transitions in the AnionOrdered Oxyhydride Ba₂YHO₃, Inorganic Chemistry, 61, 18, 7043-7050, Apr. 2022.  公式リンク  
  
• Zhao Pan, Yue-Wen Fang, Takumi Nishikubo, Lei Hu, Shogo Kawaguchi, Masaki Azuma. Tolerance Factor Control of Tetragonality and Negative Thermal Expansion in PbTiO_3‑Based Ferroelectrics,  Chemistry of Materials, 34, 6, 2798-2803, Mar. 2022.
• Zhao Pan, Koike Takehiro, Takumi Nishikubo, Lei Hu, Qiumin Liu, Yuki Sakai, Shogo Kawaguchi, Masaki Azuma. Realization of Negative Thermal Expansion in Lead-Free Bi_0.5K_0.5VO₃ by the Suppression of Tetragonality, Inorganic Chemistry, 61, 8, 3730–3735, Feb. 2022.
• Satoru Kaneko, Takashi Tokumasu, Manabu Yasui, Masahito Kurouchi, Shigeo Yasuhara, Tamio Endo, Masaki Azuma, Akufumi Matsuda, Mamoru Yoshimoto, Sumanta Kumar Sahoo, Kripasindhu Sardar, Jyh-Ming Ting, Masahiro Yoshimura. Crystal orientation of epitaxial oxide film on silicon substrate, Applied Surface Science, 586, 152776, Feb. 2022.
• Takuma Itoh, Marin Katsumata, Kei Shigematsu, Masaki Azuma. Control of ferroelectric and ferromagnetic domains in BiFe_0.9Co_0.1O₃ thin films by utilizing trailing fields, Applied Physics Express, 15, 2, 023002, Jan. 2022.
• Shogo Wakazaki, Qiumin Liu, Randy Jalem, Takumi Nishikubo, Yuki Sakai, Naoki Matsui, Guowei Zhao, Kota Suzuki, Kei Shigematsu, Takafumi Yamamoto, Ryoji Kanno, Hena Das, Yoshitaka Tateyama, Masaki Azuma. High-Pressure Synthesis and Lithium-Ion Conduction of Li4OBr2 Derivatives with a Layered Inverse-Perovskite Structure, Chemistry of Materials 2021, 33, 23, Nov. 2021.
• Shogo Wakazaki, Qiumin Liu, Randy Jalem, Takumi Nishikubo, Yuki Sakai, Naoki Matsui, Guowei Zhao, Kota Suzuki, Kei Shigematsu, Takafumi Yamamoto, Ryoji Kanno, Hena Das, Yoshitaka Tateyama, Masaki Azuma. High-Pressure Synthesis and Lithium-Ion Conduction of Li₄OBr₂ Derivatives with a Layered Inverse-Perovskite Structure, Chemistry of Materials, 33, 23, 9194-9201, Nov. 2021.
• Kazumasa Miyazaki, Masayuki Ochi, Takumi Nishikubo, Jinya Suzuki, Takashi Saito, Takashi Kamiyama, Kazuhiko Kuroki, Takafumi Yamamoto, Masaki Azuma. High-Pressure and High-Temperature Synthesis of Anion-Disordered Vanadium Perovskite Oxyhydrides, Inorganic Chemistry, American Chemical Society, Vol. 60, No. 20, pp. 15751-15758, Oct. 2021.  公式リンク  
  
• Hajime Yamamoto, Terutoshi Sakakura, Harald O. Jeschke, Noriyuki Kabeya, Kanata Hayashi, Yuya Ishikawa, Yutaka Fujii, Shunji Kishimoto, Hajime Sagayama, Kei Shigematsu, Masaki Azuma, Akira Ochiai, Yukio Noda, Hiroyuki Kimura. Quantum spin fluctuations and hydrogen bond network in the antiferromagnetic natural mineral henmilite, Physical Review Materials, 5, 104405, Oct. 2021.
• Keisuke Shimizu, Hajime Hojo, Masaki Azuma. Enhanced Piezoelectric Response in Orientation-Controlled BiFe_1–xGa_xO₃ Thin Films with Polarization Rotation, Acs Applied Electronic Materials, 3, 10, 4459-4464, Sept. 2021.
• Lei Hu, Yingcai Zhu, Yue-Wen Fang, Masayuki Fukuda, Takumi Nishikubo, Zhao Pan, Yuki Sakai, Shogo Kawaguchi, Hena Das, Akihiko Machida, Tetsu Watanuki, Shigeo Mori, Koshi Takenaka, Masaki Azuma. Origin and Absence of Giant Negative Thermal Expansion in Reduced and Oxidized Ca₂RuO₄, Chemistry of Materials, 33, 19, Sept. 2021.
• Marin Katsumata, Kei Shigematsu, Takuma Itoh, Haruki Shimizu, Keisuke Shimizu, Masaki Azuma. Stabilization of correlated ferroelectric and ferromagnetic domain structures in BiFe_0.9Co_0.1O₃ films, Applied Physics Letters, 119, 132901, Sept. 2021.
• Masayuki Fukuda, Ikuya Yamada, Hajime Hojo, Chihiro Takahashi, Yuya Yoshida, Katsuhisa Tanaka, Masaki Azuma, Koji Fujita. Topochemical synthesis of perovskite-type CuNb₂O₆ with colossal dielectric constant, Journal of Materials Chemistry C, 9, 39, 1398-13990, Aug. 2021.
• Masaki Azuma, Hajime Hojo, Kengo Oka, Hajime Yamamoto, Keisuke Shimizu, Kei Shigematsu, Yuki Sakai. Functional Transition Metal Perovskite Oxides with 6s² Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research, 51, 329-349, May 2021.
• Takahiro Ogata, Yuki Sakai, Takumi Nishikubo, Takashi Mizokawa, Masaichiro Mizumaki, Koomok Lee, Qiumin Liu, Masaki Azuma. Intermetallic Charge Transfer in V-Substituted PbCrO₃, Inorganic Chemistry, 60, 13, 9427-9431, Apr. 2021.
• 東正樹. 巨大負熱膨張セラミックス, 金属, 91, 4, 43-48, Apr. 2021.
• Xubin Ye, Jianfa Zhao, Hena Das, Denis Sheptyakov, Junye Yang, Yuki Sakai, Hajime Hojo, Zhehong Liu, Long Zhou, Lipeng Cao, Takumi Nishikubo, Shogo Wakazaki, Cheng Dong, Xiao Wang, Zhiwei Hu, Hong-Ji Lin, Chien-Te Chen, Christoph Sahle, Anna Efiminko, Huibo Cao, Stuart Calder, Ko Mibu, Michel Kenzelmann, Liu Hao Tjeng, Runze Yu, Masaki Azuma, Changqing Jin, Youwen Long. Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3, Nature Communications, 12, 1917, Mar. 2021.
• Xubin Ye, Jianfa Zhao, Hena Das, Denis Sheptyakov, Junye Yang, Yuki Sakai, Hajime Hojo, Zhehong Liu, Long Zhou, Lipeng Cao, Takumi Nishikubo, Shogo Wakazaki, Cheng Dong, Xiao Wang, Zhiwei Hu, Hong-Ji Lin, Chien-Te Chen, Christoph Sahle, Anna Efiminko, Huibo Cao, Stuart Calder, Ko Mibu, Michel Kenzelmann, Liu Hao Tjeng, Runze Yu, Masaki Azuma, Changqing Jin, Youwen Long. Observation of novel charge ordering and spin reorientation in perovskite oxide PbFeO3, Nature Communications, 12, 1917, Mar. 2021.
• Masaki Ozeki, Victoria Warne-Lang, Hirofumi Tsukasaki, Naoyuki Katayama, Yoshihiko Okamoto, Shigeo Mori, Koshi Takenaka, Masaki Azuma, Hajime Hojo, Kengo Oka, Hajime Yamamoto, Keisuke Shimizu, Kei Shigematsu, Yuki Sakai. Functional Transition Metal Perovskite Oxides with 6s2 Lone Pair Activity Stabilized by High-Pressure Synthesis, Annual Review of Materials Research, Annual Review of Materials Research, Mar. 2021.
• Zhao Pan, Mao-Hua Zhang, Takumi Nishikubo, Yuki Sakai, Hajime Yamamoto, Hajime Hojo, Masayuki Fukuda, Lei Hu, Hayato Ishizaki, Satoru Kaneko, Shogo Kawaguchi, Jurij Koruza, Jürgen Rödel, Masaki Azuma. Polarization Rotation at Morphotropic Phase Boundary in New Lead-Free Na_1/2Bi_1/2V_1–xTi_xO₃ Piezoceramics, Acs Applied Materials & Interfaces, 13, 4, 5208-5215, Jan. 2021.  公式リンク  
  
• 東 正樹, 酒井 雄樹, 西久保 匠, 岡 研吾, 山本 孟. 圧力誘起相転移を利用した巨大負熱膨張物質の開発, 高圧力の科学と技術, 30, 3, Jan. 2021.  公式リンク  
  
• Yukimasa Fukada, Ryota Fukuyama, Kosuke Fujiwara, Kenji Yoshii, Kei Shigematsu, Masaki Azuma, Naoshi Ikeda. Analysis of Glass Behavior of Lu₂Fe₃O₇ with Distributed Equivalent Circuit Model, Journal of the Physical Society of Japan, 90, 024710, Jan. 2021.
• 東 正樹, 重松 圭, 北條 元, 壬生 攻. BiFe_1-xCo_xO₃薄膜のスピン構造変化~電場による磁化の反転に成功、次世代低消費電力磁気メモリ実現の道拓く~, 文部科学省ナノテクノロジープラットホーム, 13, 4, 2021.
• Md SAIDUZZAMAN, Khandaker Monower HOSSAIN, Nobuhiro KUMADA, Sayaka YANAGIDA, Takahiro TAKEI, Yuji HANADA, Masanori NAGAO, Masaki AZUMA. Hydrothermal synthesis and crystal structure of a mixed-valence pyrochlore-type strontium bismuthate, (Sr_0.75Bi_0.25)₂Bi₂O_6.83, JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, Volume 128, Issue 9, 660-663, Sept. 2020.
• Yamamoto Hajime, Sekikawa Satoru, Taniguchi Haruka, Matsukawa Michiaki, Shigematsu Kei, Honda Takashi, Yamauchi Kunihiko, Ikeda Kazutaka, Otomo Toshiya, Sakakura Terutoshi, Azuma Masaki, Nimori Shigeki, Noda Yukio, Kimura Hiroyuki. Reversible thermally controlled spontaneous magnetization switching in perovskite-type manganite, APPLIED PHYSICS LETTERS, Volume 117, Issue 11, Sept. 2020.
• Wakazaki Shogo, Nishikubo Takumi, Sakai Yuki, Shigematsu Kei, Das Hena, Zhang Depei, Zhang Qiang, Matsuda Masaaki, Azuma Masaki. Stabilized Charge, Spin, and Orbital Ordering by the 6s² Lone Pair in Bi_0.5Pb_0.5MnO₃, INORGANIC CHEMISTRY, 59, 18, 13390-13397, Sept. 2020.
• Masayuki Fukuda, Takumi Nishikubo, Zhao Pan, Yuki Sakai, Mao-Hua Zhang, Shogo Kawaguchi, Hongwu Yu, Yoichi Okimoto, Shin-ya Koshihara, Mitsuru Itoh, Jürgen Rödel, Masaki Azuma. Enhanced Spontaneous Polarization by V⁴⁺ Substitution in a Lead-Free Perovskite CaMnTi₂O₆, INORGANIC CHEMISTRY, Volume 59, Issue 16, 11749–11756, Aug. 2020.
• Hajime Yamamoto, Kaoru Toda, Yuki Sakai, Takumi Nishikubo, Ikuya Yamada, Kei Shigematsu, Masaki Azuma, Hajime Sagayama, Masaichiro Mizumaki, Kiyofumi Nitta, Hiroyuki Kimura. Emergence of a Cubic Phase Stabilized by Intermetallic Charge Transfer in (1 – x)PbVO₃–xBiCoO₃ Solid Solutions, CHEMISTRY OF MATERIALS, 32, 16, 6892-6897, July 2020.
• Mitsuru Nitta, Nobuaki Nagao, Yuki Nomura, Taku Hirasawa, Yuki Sakai, Takahiro Ogata, Masaki Azuma, Shuki Torii, Toru Ishigaki, Yasuhisa Inada. High-Brightness Red-Emitting Phosphor La₃(Si,Al)₆(O,N)₁₁:Ce³⁺ for Next-Generation Solid-State Light Sources, ACS APPLIED MATERIALS & INTERFACES, Volume 12, Issue 28, 31652–31658, July 2020.
• Yoshitaka Nakamura, Yuki Sakai, Masaki Azuma, Shin-ichi Ohkosh. Long-term heat-storage ceramics absorbing thermal energy from hot water, SCIENCE ADVANCES, Volume 6, Issue 27, July 2020.
• Hayato Ishizaki, Yuki Sakai, Takumi Nishikubo, Zhao Pan, Kengo Oka, Hajime Yamamoto, Masaki Azuma. Negative Thermal Expansion in Lead-Free La-Substituted Bi_0.5Na_0.5VO₃, CHEMISTRY OF MATERIALS, 32, 11, 4832–4837, June 2020.
• Masaki Ozeki, Victoria Warne-Lang, Hirofumi Tsukasaki, Yuki Sakai, Naoyuki Katayama, Yoshihiko Okamoto, Masaki Azuma, Shigeo Mori, Koshi Takenaka. Annealing effect on local structure and negative thermal expansion of antiperovskite manganese nitride fine particles, APPLIED PHYSICS EXPRESS, 13, 7, June 2020.
• Kei Shigematsu, Haruki Shimizu, Marin Katsumata, Keisuke Shimizu, Hajime Yamamoto, Ko Mibu, Masaki Azuma. Stable electric polarization switching accompanied by magnetization reversal in B-site-substituted multiferroic BiFe_0.9Co_0.1O₃ thin films, APPLIED PHYSICS EXPRESS, 13, 7, June 2020.
• Hongwu Yu, Kou Takubo, Tadahiko Ishikawa, Shin-ya Koshihara, Masaki Hada, Toru Asaka, Keita Ozawa, Kei Shigematsu, Masaki Azuma, Yoichi Okimoto. Ultrafast Nonlinear Spectroscopy in (111) Oriented Bismuth Ferrite Oxide, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 89, 6, May 2020.
• Yoshihiro Kusano, Shuji Kawasaki, Jun Takada, Masaki Azuma. Synthesis and microstructure of single-crystalline cobalt oxyhydroxide and topotactic transformation to cobalt oxide, JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 103, 7240–7246, Apr. 2020.
• Zhao Pan, Takumi Nishikubo, Yuki Sakai, Takafumi Yamamoto, Shogo Kawaguchi, Masaki Azuma. Observation of Stabilized Monoclinic Phase as a “Bridge” at the Morphotropic Phase Boundary between Tetragonal Perovskite PbVO_{3 and Rhombohedral BiFeO3}, CHEMISTRY OF MATERIALS, Vol. 32, No. 8, pp. 3615-3620, Apr. 2020.
• Zhehong Liu, Yuki Sakai, Junye Yang, Wenmin Li, Ying Liu, Xubin Ye, Shijun Qin, Jinming Chen, Stefano Agrestini, Kai Chen, Sheng-Chieh Liao, Shu-Chih Haw, Francois Baudelet, Hirofumi Ishii, Takumi Nishikubo, Hayato Ishizaki, Tatsuru Yamamoto, Zhao Pan, Masayuki Fukuda, Kotaro Ohashi, Kana Matsuno, Akihiko Machida, Tetsu Watanuki, Saori I. Kawaguchi, Angel M. Arevalo-Lopez, Changqing Jin, Zhiwei Hu, J. Paul Attfield, Masaki Azuma, Youwen Long. Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO₃, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 142, 12, 5731–5741, Mar. 2020.
• Blair W. Lebert, Hajime Yamamoto, Masaki Azuma, Rolf Heid, Satoshi Tsutsui, Hiroshi Uchiyama, Alfred Q. R. Baron, Benoît Baptiste, Matteo d'Astuto. Doping-induced in-plane anisotropy of bond-stretching phonon softening in oxychloride Ca ₂ − x CuO ₂ Cl ₂ compounds, PHYSICAL REVIEW B, 101, 2, Jan. 2020.
• Withanage ISURU UDAKARA WITHANAGE, Nobuhiro KUMADA, Takahiro TAKEI, Sayaka YANAGIDA, Kiyoharu TADANAGA, Akira MIURA, Nataly Carolina ROSERO-NAVARRO, Masaki AZUMA. Electrical properties of pyrochlore-type silver tantalate and fluorite-type silver niobate, JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, 128, 1, 46-50, Jan. 2020.
• Hayato Ishizaki, Hajime Yamamoto, Takumi Nishikubo, Yuki Sakai, Shogo Kawaguchi, Keisuke Yokoyama, Yoichi Okimoto, Shin-ya Koshihara, Takafumi Yamamoto, Masaki Azuma. Robust Giant Tetragonal Distortion Coupled with High-Spin Co3+ in Electron-Doped BiCoO3, Inorganic Chemistry, vol. 58, p. 16059-16064, Nov. 2019.
• Hiroaki Ito, Akira Miura, Yosuke Goto, Yoshikazu Mizuguchi, Chikako Moriyoshi, Yoshihiro Kuroiwa, Masaki Azuma, Jinjia Liu, Xiao-Dong Wen, Shunta Nishioka, Kazuhiko Maeda, Yuji Masubuchi, Nataly Carolina Rosero-Navarro, Kiyoharu Tadanaga, Maeda, Kazuhiko. An electronic structure governed by the displacement of the indium site in In–S₆ octahedra: LnOInS₂ (Ln = La, Ce, and Pr), Dalton Transactiions, 48, 32, 12272-12278, June 2019.  公式リンク  
  
• Zhao Pan, Jun Chen, Xingxing Jiang, Zheshuai Lin, Haibo Zhang, Yang Ren, Masaki Azuma, Xianran Xing. Enhanced tetragonality and large negative thermal expansion in a new Pb/Bi-based perovskite ferroelectric of (1 − x)PbTiO₃–xBi(Zn_1/2V_1/2)O₃, Inorganic Chemistry Frontiers, 6, 8, 1990-1995, May 2019.
• Blair Lebert, Hajime Yamamoto, Masaki Azuma, Rolf Heid, Satoshi Tsutsui, Hiroshi Uchiyama, Alfred Q.R Baron, Benoit Baptiste, Matteo d'Astuto. Phonon anomalies with doping in superconducting oxychlorides Ca_2-xCuO₂Cl₂, Apr. 2019.
• Keisuke Shimizu, Ryo Kawabe, Hajime Hojo, Haruki Shimizu, Hajime Yamamoto, Marin Katsumata, Kei Shigematsu, Ko Mibu, Yu Kumagai, Fumiyasu Oba, Masaki Azuma. Direct Observation of Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film, NANO LETT., Vol. 19, No. 3, pp. 1767–1773, Jan. 2019.
• Takahiro Ogata, Yuki Sakai, Hajime Yamamoto, Satyanarayan Patel, Peter Keil, Jurij Koruza, Shogo Kawaguchi, Zhao Pan, Takumi Nishikubo, Jürgen Rödel, Masaki Azuma. Melting of d_xy Orbital Ordering Accompanied by Suppression of Giant Tetragonal Distortion and Insulator-to-Metal Transition in Cr-Substituted PbVO₃, Chemistry of Materials, Vol. 31, pp. 1352-1358, Jan. 2019.
• Takahiro Ogata, Kengo Oka, Masaki Azuma. Negative thermal expansion in electron doped PbVO_3ーxF_x, Applied Physics Express, Vol. 12, No. 2, pp. 023005, Jan. 2019.
• Md Saiduzzaman, Takahiro Takei, Sayaka Yanagida, Nobuhiro Kumada, Hena Das, Hirokazu Kyokane, Shogo Wakazaki, Masaki Azuma, Chikako Moriyoshi, Yoshihiro Kuroiwa. Hydrothermal Synthesis of Pyrochlore-Type Pentavalent Bismuthates Ca₂Bi₂O₇ and Sr₂Bi₂O₇, Inorganic Chemistry, Vol. 58, pp. 1759-1763, Jan. 2019.
• Hajime Yamamoto, Takahiro Ogata, Satyanarayan Patel, Jurij Koruza, Jürgen Rödel, Atanu Paul, Tanusri Saha-Dasgupta, Yuki Sakai, Mitsuru Itoh, Masaki Azuma. Na_1/2Bi_1/2VO₃ and K_1/2Bi_1/2VO₃: New Lead-Free Tetragonal Perovskites with Moderate c/a Ratios, Chemistry of Materials, vol. 30, pp. 6728-6736, Oct. 2018.
• Koshi Takenaka, N. Inoue, Y. Mizuno, Y. Okamoto, N. Katayama, Yuki Sakai, Takumi Nishikubo, Masaki Azuma. Extended operating temperature window of giant negative thermal expansion in Sn-doped Ca₂RuO₄, APPLIED PHYSICS LETTERS, Vol. 113, No. 7, p. 071902, Aug. 2018.
• Hajime Hojo, Kengo Oka, Keisuke Shimizu, Hajime Yamamoto, Ryo Kawabe, Masak Azuma. Development of Bismuth Ferrite as a Piezoelectric and Multiferroic Material by Cobalt Substitution, ADVANCED MATERIALS, Vol. 30, No. 33, p. 1705665, Aug. 2018.
• Hajime Yamamoto, Takashi Imai, Yuki Sakai, Masaki Azuma. Colossal Negative Thermal Expansion in Electron-Doped PbVO₃ Perovskites, ANGEWANDTE CHEMIE-INTERNATIONAL, Vol. 57, pp. 8170-8173, July 2018.
• Takumi Nishikubo, Yuki Sakai, Kengo Oka, Masaichiro Mizumaki, Tetsu Watanuki, Akihiko Machida, Naoyuki Maejima, Shigenori Ueda, Takashi Mizokawa, Masaki Azuma. Optimized negative thermal expansion induced by gradual intermetallic charge transfer in Bi_1-xSb_xNiO₃, Applied physics express, Vol. 11, No. 6, p. 061102, June 2018.
• Zhao Pan, Xingxing Jiang, Jun Chen, Lei Hu, Hajime Yamamoto, Linxing Zhang, Longlong Fan, Xi'an Fan, Yawei Li, Guangqiang Li, Yang Ren, Zheshuai Lin, Masaki Azuma, Xianran Xing. Large spontaneous polarization in polar perovskites of PbTiO₃-Bi(Zn_1/2Ti_1/2)O-₃, Inorganic Chemistry Frontiers, Vol. 5, No. 6, pp. 1277-1281, June 2018.
• Jianhong Dai, Xudong Shen, Zhehong Liu, Qing Zhao, Xiao Wang, Cheng Dong, Yuecheng Bian, Wei Ding, Zhigao Sheng, Masaki Azuma, Youwen Long. Formation of ZnO₄ Tetrahedra and ZnO₆ Octahedra in TeZnO₃ Synthesized under High Pressure, Inorganic Chemistry, American Chemical Society, Vol. 57, Issue 11, pp. 6716-6721, May 2018.
• Kei Shigematsu, Takeshi Asakura, Hajime Yamamoto, Keisuke Shimizu, Marin Katsumata, Haruki Shimizu, Yuki Sakai, Hajime Hojo, Ko Mibu, Masaki Azuma. Room temperature ferromagnetism in BiFe_1-xMn_xO₃ thin film induced by spin-structure manipulation, Applied Physics Letters., Vol. 112, p. 192905, May 2018.
• Kosuke Kurushima, Hirofumi Tsukasaki, Takahiro Ogata, Yuki Sakai, Masaki Azuma, Yui Ishii, Shigeo Mori. Unusual inhomogeneous microstructures in charge glass state of PbCrO₃, Japanese journal of applied physics, Vol. 57, No. 5, Mar. 2018.
• Lokanath Patra, Zhao Pan, Jun Chen, Masaki Azuma, P. Ravindran. Metamagnetism stabilized giant magnetoelectric coupling in ferroelectric xBaTiO₃-(1-x)BiCoO₃ solid solution, Physical Chemistry Chemical Physics, Vol. 20, No. 10, pp. 7021-7032, Mar. 2018.
• M. Azuma, Y. Sakai, T. Nishikubo, M. Mizumaki, T. Watanuki, T. Mizokawa, K. Oka, H. Hojo, M. Naka. Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites, Dalton Transactions, Vol. 47, No. 5, p. 1371-1377, Feb. 2018.
• K.Oka, T.Yamauchi, S.Kanungo, T.Shimazu, K.Ohishi, Y. Uwatoko, M.Azuma, T.Saha-Dasgupta. Experimental and Theoretical Studies of the Metallic Conductivity in Cubic PbVO₃ under High Pressure, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Vol. 87, No. 2, p. 024801, Feb. 2018.
• H. Yamamoto, Y. Sakai, K. Shigematsu, T. Aoyama, T. Kimura, M. Azuma. Reorientation of the Magnetic Easy Plane in a Co-Substituted BiFeO₃ Single Crystal, Inorganic Chemistry, Vol. 56, No. 24, pp. 15171-15177, Dec. 2017.
• K. Takenaka, T. Shinoda, N. Inoue, Y. Okamoto, N. Katayama, Yuki Sakai, T. Nishikubo, M. Azuma. Giant negative thermal expansion in Fe-doped layered ruthenate ceramics, Applied physics express, Vol. 10, No. 11, p. 115501, Nov. 2017.
• L. Zhou, J. H. Dai, Y. S. Chai, H. M. Zhang, S. Dong, H. B. Cao, S. Calder, Y. Y. Yin, X. Wang, X. D. Shen, Z. H. Liu, T. Saito, Y. Shimakawa, H. Hojo, Y. Ikuhara, M. Azuma, Z. W. Hu, Y. Sun, C. Q. Jin, Y. W. Long. Realization of Large Electric Polarization and Strong Magnetoelectric Coupling in BiMn₃Cr₄O₁₂, Advanced Materials, Vol. 29, No. 44, p. 1703435, Nov. 2017.
• Z. Pan, J. Chen, X. X. Jiang, L. Hu, R. Z. Yu, H. Yamamoto, T. Ogata, Y. Hattori, F. M. Guo, X. A. Fan, Y. W. Li, G. Q. Li, H. Z. Gu, Y. Ren, Z. S. Lin, M. Azuma, X. R. Xing. Colossal Volume Contraction in Strong Polar Perovskites of Pb(Ti,V)O₃, Journal of the American Chemical Society, Vol. 139, No. 42, pp. 14865-14868, Oct. 2017.
• J. Y. Yang, J. H. Dai, Z. H. Liu, R. Z. Yu, H. Hojo, Z. W. Hu, T. W. Pi, Y. Soo, C. Q. Jin, M. Azuma, Y. W. Long. High-Pressure Synthesis of the Cobalt Pyrochlore Oxide Pb₂Co₂O₇ with Large Cation Mixed Occupancy, Inorganic Chemistry, Vol. 56, No. 19, pp. 11676-11680, Oct. 2017.
• Y. Okimoto, S. Naruse, R. Fukaya, T. Ishikawa, S. Koshihara, K. Oka, M. Azuma, K. Tanaka, H. Hirori. Ultrafast Control of the Polarity of BiCoO₃ by Orbital Excitation as Investigated by Femtosecond Spectroscopy, Physical Review Applied, Vol. 7, No. 6, p. 064016, June 2017.
• B. W. Lebert, M. P. M. Dean, A. Nicolaou, J. Pelliciari, M. Dantz, T. Schmitt, R. Yu, M. Azuma, J. P. Castellan, H. Miao, A. Gauzzi, B. Baptiste, M. d'Astuto. Resonant inelastic x-ray scattering study of spin-wave excitations in the cuprate parent compound Ca₂CuO₂Cl₂, Physical Review B - Condensed Matter and Materials Physics, Vol. 95, no. 15, p. 155110, Apr. 2017.
• Yuki Sakai, Junye Yang, Runze Yu, Hajime Hojo, Ikuya Yamada, Ping Miao, Sanghyun Lee, Shuki Torii, Takashi Kamiyama, Marjana Ležaić, G.Bihlmayer, M. Mizumaki, J.Komiyama, T.Mizokawa, H.Yamamoto, T.Nishikubo, Y.Hattori, K. Oka, Y.Yin, J.Dai, W.Li, S.Ueda, A.Aimi, D.Mori, Y. Inaguma, Z.Hu, T. Uozumi, C.Jin, Y.Long, Masaki Azuma. A-site and B-site charge orderings in an s-d level controlled perovskite oxide PbCoO₃, Journal of the American Chemical Society, Vol. 139, No. 12, pp. 4574-4581, Mar. 2017.
• H.Hojo, R.Kawabe, K.Shimizu, H. Yamamoto, K.Mibu, K.Samanta, T.Saha-Dasgupta, M.Azuma. Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe₁-_xCo_xO₃ Thin Films, Advanced materials, Vol. 29, No. 9, p. 1603131, Mar. 2017.
• Mirza HK Rubel, Takahiro Takei, Nobuhiro Kumada, M Mozahar Ali, Akira Miura, Kiyoharu Tadanaga, Kengo Oka, Masaki Azuma, Eisuke Magome, Chikako Moriyoshi. Hydrothermal Synthesis, Structure, and Superconductivity of Simple Cubic Perovskite (Ba_{0. 62}K_{0. 38})(Bi_{0. 92}Mg_{0. 08}) O₃ with T _c∼ 30 K, Inorganic Chemistry, Feb. 2017.
• N. Kumada, A. Nakamura, Akira Miura, T. Takei, M. Azuma, H. Yamamoto, E. Magome, C. Moriyoshi, Y. Kuroiwa. Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO₄, Journal Of Solid State Chemistry, Vol. 245, pp. 30-33, Jan. 2017.
• Hajime Hojo, Ryo Kawabe, Keisuke Shimizu, Hajime Yamamoto, Ko Mibu, Kartik Samanta, Tanusri Saha‐Dasgupta, Masaki Azuma. Ferromagnetism at Room Temperature Induced by Spin Structure Change in BiFe₁− _xCo_xO₃ Thin Films, Advanced Materials, Vol. 29, No. 9, pp. 1603131-1～1603131-7, Dec. 2016.
• Nobuhiro Kumada, Ayumi Nakamura, Akira Miura, Takahiro Takei, Masaki Azuma, Hajime Yamamoto, Eisuke Magome, Chikako Moriyoshi, Yoshihiro Kuroiwa. Hydrothermal synthesis and crystal structure of a new lithium copper bismuth oxide, LiCuBiO 4, Journal of Solid State Chemistry, Vol. 245, pp. 30-33, Oct. 2016.
• Zhao Pan, Jun Chen, Runze Yu, Hajime Yamamoto, Yangchun Rong, Lei Hu, Qiang Li, Kun Lin, Li You, Kun Zhao, Masaki Azuma. Giant Polarization and High Temperature Monoclinic Phase in a Lead-Free Perovskite of Bi (Zn0. 5Ti0. 5) O3-BiFeO3, Inorganic Chemistry, Vol. 55, No. 19, pp. 9513-9516, Sept. 2016.
• Nakano Kiho, Oka Kengo, Watanuki Tetsu, Mizumaki Masaichiro, Machida Akihiko, Agui Akane, Kim Hyunjeong, Komiyama Jun, Mizokawa Takashi, Nishikubo Takumi, Masaki Azuma. Glassy Distribution of Bi3+/Bi5+ in Bi1–x Pb x NiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer, Chemistry of Materials, Vol. 28, No. 17, pp. 6062-6067, Aug. 2016.
• Keisuke Shimizu, Hajime Hojo, Yuichi Ikuhara, Masaki Azuma. Enhanced Piezoelectric Response due to Polarization Rotation in Cobalt‐Substituted BiFeO₃ Epitaxial Thin Films, Advanced Materials, Vol. 28, No. 39, pp. 8639-8644, Aug. 2016.
• Kengo Oka, Hajime Hojo, Masaki Azuma, Katsuyoshi Oh-ishi. Temperature-Independent, Large Dielectric Constant Induced by Vacancy and Partial Anion Order in the Oxyfluoride Pyrochlore Pb₂Ti₂O₆− _δF_2δ, Chemistry of Materials, Vol. 28, No. 15, pp. 5554-5559, July 2016.
• Runze Yu, Narumi Matsuda, Ken Tominaga, Keisuke Shimizu, Hajime Hojo, Yuki Sakai, Hajime Yamamoto, Kengo Oka, Masaki Azuma. High-Temperature Monoclinic Cc Phase with Reduced c/a Ratio in Bi-based Perovskite Compound Bi₂ZnTi₁−_xMn_xO₆, Inorganic Chemistry, Vol. 55, No. 12, pp. 6124-6129, June 2016.
• Naa Octavianti, Nobuhiro Kumada, Miura Akira, Takahiro Takei, Masaki Azuma, Yoshihiro Kusano, Kengo Oka. High-Pressure Polymorph of NaBiO3, Inorganic chemistry, Vol. 55, No. 12, pp. 5747-5749, June 2016.
• Octavianti Naa, Nobuhiro Kumada, Akira Miura, Takahiro Takei, Masaki Azuma, Yoshihiro Kusano, Kengo Oka. High-Pressure Polymorph of NaBiO₃, Inorganic Chemistry, Vol. 55, No. 12, pp. 5747-5749, June 2016.
• Hajime Yamamoto, Takumi Kihara, Kengo Oka, Tokunaga Masashi, Ko Mibu, Masaki Azuma. Spin Structure Change in Co-Substituted BiFeO₃ , Journal of the Physical Society of Japan, Vol. 85, pp. 064704-1-4, May 2016.
• Mirza H. K. Rubel, Takahiro Takei, Nobuhiro Kumada, M. Mozahar Ali, Akira Miura, Kiyoharu Tadanaga, Kengo Oka, Masaki Azuma, Masatomo Yashima, Kotaro Fujii, Eisuke Magome, Chikako Moriyoshi, Yoshihiro Kuroiwa, James R. Hester, Maxim Avdeev. Hydrothermal Synthesis, Crystal Structure, and Superconductivity of a Double-Perovskite Bi Oxide, Chem Mater, Vol. 28, pp. 459-465, 2016.
• Masaki Azuma, Kengo Oka, Koichiro Nabetani. Negative thermal expansion induced by intermetallic charge transfer, Science and Technology of Advanced Materials, Vol. 16, pp. 034904 1-8, Sept. 2015.
• Runze Yu, Hajime Hojo, Tetsu Watanuki, Masaichiro Mizumaki, Takashi Mizokawa, Kengo Oka, Hyunjeong Kim, Akihiko Machida, Kouji Sakaki, Yumiko Nakamura, Aguin Akane, Daisuke Mori, Yoshiyuki Inaguma, Martin Schlipf, Konstantin Z. Rushchanskii, Marjana Lezaic, Masaaki Matsuda, Jie Ma, Stuart Calder, Masahiko Isobe, Yuichi Ikuhara, Masaki Azuma. Melting of Pb Charge Glass and Simultaneous Pb−Cr Charge Transfer in PbCrO₃ as the Origin of Volume Collapse, Journal of the American Chemical Society, Vol. 137, pp. 12719-12728, Sept. 2015.
• Xiao Wang, Yisheng Chai, Long Zhou, Huibo Cao, Clarina-dela Cruz, Junye Yang, Jianhong Dai, Yunyu Yin, Zhen Yuan, Sijia Zhang, Runze Yu, Masaki Azuma, Yuichi Shimakawa, Huimin Zhang, Shuai Dong, Young Sun, Changqing Jin, Youwen Long. Observation of Magnetoelectric Multiferroicity in a Cubic Perovskite System: LaMn₃Cr₄O₁₂, PHISICAL REVIEW LETTERS, Vol. 115, pp. 087601-1-6, Aug. 2015.
• RUNZE YU, Hajime Hojo, Teruyasu Mizoguchi, Masaki Azuma. A new LiNbO₃-type polar oxide with closed-shell cations: ZnPbO₃, JOURNAL OF APPLIED PHYSICS, Vol. 118, 2015.
• N. Ishimatsu, T. Watanabe, K. Oka, M. Azuma, M. Mizumaki, K. Nitta, T. Ina, N. Kawamura. Differences in local structure around Co and Fe of the BiCo₁−_x Fe_x O₃ system determined by x-ray absorption fine structure, PHYSICAL REVIEW B, Vol. 92, pp. 054108-1-9, 2015.
• Mirza H.K. Rubel, Takahiro Takei, Nobuhiro Kumada, M.M. Ali, Akira Miura, Kiyoharu Tadanaga, K. Oka, M. Azuma, E. Magomae, C. Moriyoshi, Y. Kuroiwa. Hydrothermal synthesis of a new Bi-based (Ba_0.82K_0.18)(Bi_0.53Pb_0.47)O₃ superconductor, Journal of Alloys and Compounds, Vol. 634, pp. 208–214, 2015.
• Yu, R., Hojo, H., Oka, K., Watanuki, T., Machida, A., Shimizu, K., Nakano, K., Masaki Azuma. New PbTiO₃-type giant tetragonal compound Bi₂ZnVO₆and its stability under pressure, Chemistry of Materials, Vol. 27, No. 6, pp. 2012-2017, 2015.
• K. Nabetani, Y. Muramatsu, K. Oka, Kiho Nakano, H. Hojo, M. Mizumaki, A. Agui, Y. Higo, N. Hayashi, M. Takano, M. Azuma. Suppression of temperature hysteresis in negative thermal expansion compound BiNi1− x Fe x O3 and zero-thermal expansion composite, APPLIED PHYSICS LETTERS, Vol. 106, pp. 061912, 2015.
• Hajime Hojo, Kou Onuma, Yuichi Ikuhara, Masaki Azuma. Structural evolution and enhanced piezoresponse in cobalt-substituted BiFeO3 thin films, APPLIED PHYSICS EXPRESS, Vol. 7, No. 9, pp. 091501, Sept. 2014.
• Sunseng Pyon, Kazutaka Kudo, Jun-ichi Matsumura, Hiroyuki Ishii, Genta Matsuo, Nohara Minoru, Hojo Hajime, Oka Kengo, Azuma Masaki, Garlea. V. Ovidiu. Superconductivity in Noncentrosymmetric Iridium Silicide Li2IrSi3, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Vol. 83, No. 9, pp. 093706, Sept. 2014.
• Fujita Kazuhiro, Hamidian Mohammad, H, Edkins Stephen D, Kim Chung Koo, Kohsaka Yuhki, Azuma Masaki, Takano Mikio, Takagi Hidenori, Eisaki Hiroshi, Uchida Shin-ichi, Allais Andrea, Lawler Michael J, Kim EA, Sachdev S, Davis JCS. Direct phase-sensitive identification of a d-form factor density wave in underdoped cuprates, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol. 111, No. 30, pp. E3026-E3032, July 2014.
• Belik Alexei A, Touru Yamauchi, Hiroaki Ueda, Ueda Yutaka, Yusa Hitoshi, Naohisa Hirao, Azuma Masaki. Absence of Metallic Conductivity in Tetragonal and Cubic PbVO3 at High Pressure, JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Vol. 83, No. 7, pp. 074711, July 2014.
• Kousuke Nishimura, Ikuya Yamada, Kengo Oka, Yuichi Shimakawa, Masaki Azuma. High-pressure synthesis of BaVO3: A new cubic perovskite, JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS, Vol. 75, No. 6, pp. 710-712, June 2014.
• Ridley Christopher J, Bocian Artur, Kirichek Oleg, Manuel Pascal, Khalyavin Dmitry, Azuma Masaki, Attfield, J. Paul, Kamenev Konstantin V. High-pressure cell for neutron diffraction with in situ pressure control at cryogenic temperatures, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol. 85, No. 4, pp. 043904, Apr. 2014.
• Rubel Mirza H. K, Miura Akira, Takei Takahiro, Kumada Nobuhiro, Ali M. Mozahar, Nagao Masanori, Watauchi Satoshi, Tanaka Isao, Oka Kengo, Azuma Masaki, Magome Eisuke, Moriyoshi Chikako, Kuroiwa Yoshihiro, Islam A. K. M. Azharul. Superconducting Double Perovskite Bismuth Oxide Prepared by a Low-Temperature Hydrothermal Reaction, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, Vol. 53, No. 14, pp. 3599-3603, Apr. 2014.
• 大沼 航, 北條 元, 幾原 雄一, 東 正樹. PLD 法により作製した(1 −x )BiFeO₃ –xBiCoO₃ エピタキシャル薄膜の結晶構造および電気特性, 粉体および粉末冶金, Vol. 61, No. 1, pp. 44-49, Jan. 2014.
• 奈部谷 光一郎, 岡 研吾, 東 正樹. BiNi₁−_xFe_xO₃ のサイト間電荷移動誘起負の熱膨張における温度履歴の抑制, 粉体および粉末冶金, Vol. 61, No. 1, pp. 35-37, Jan. 2014.
• Yijin Liu, Junyue Wang, Wendy L. Mao, Masaki Azuma, Wenge Yang. Five-dimensional visualization of phase transition in BiNiO₃ under high pressure, APPLIED PHYSICS LETTERS, Vol. 104, pp. 043108-1-4, Jan. 2014.
• 村松 裕也, 奈部谷 光一郎, 岡 研吾, 東 正樹. 巨大な負の熱膨張を示すペロブスカイトBiNiO₃ を用いたゼロ熱膨張コンポジットの作製, 粉体および粉末冶金, Vol. 61, No. 1, pp. 39-43, Jan. 2014.
• Romain Gautier, Kengo Oka, Takumi Kihara, Nitesh Kumar, Athinarayanan Sundaresan, M Tokunaga, Masaki Azuma, Kenneth R. Poeppelmeier. Spin Frustration from cis-Edge or -Corner Sharing Metal-Centered Octahedra, Journal of the american chemical society, Vol. 135, pp. 19268-19274, Dec. 2013.
• Izabela Sosnowska, Masaki Azuma, Radosław Przeniosło, Dariusz Wardecki, Wei-tin Chen, Kengo Oka, Yuichi Shimakawa. Crystal and Magnetic Structure in Co-Substituted BiFeO₃, Inorganic Chemistry, Vol. 52, pp. 13269-13277, Nov. 2013.
• 岡 研吾, 東 正樹, 森 茂生. BiCo₁–_xFe_xO₃ の分極回転現象, 日本結晶学会誌, Vol. 55, No. 5, pp. 278-284, Oct. 2013.
• Ikuya YAMADA, Kentaro SHIRO, Kengo OKA, Masaki AZUMA, Tetsuo IRIFUNE. Direct observation of negative thermal expansion in SrCu₃Fe₄O₁₂, Journal of the Ceramic Society of Japan, Vol. 121, No. 1418, pp. 912-914, Oct. 2013.
• Hajime Hojo, Ko Onuma, Yuichi Ikuhara, Masaki Azuma. Effect of Oxygen Pressure on Electrical Properties of BiFe_0.9Co_0.1O₃ Thin Films Prepared by Pulsed Laser Deposition, Japanese Journal of Applied Physics, Vol. 52, pp. 09KD09-1-3, Sept. 2013.
• V. R. Singh, V. K. Verma, K. Ishigami, G. Shibata, Y. Yamazaki, A. Fujimori, Yukiharu Takeda, Tetsuo Okane, Yuji Saitoh, Hiroshi Yamagami, Y. Nakamura, M. Azuma, Y. Shimakawa. Enhanced ferromagnetic moment in Co-doped BiFeO₃ thin films studied by soft x-ray circular dichroism, JOURNAL OF APPLIED PHYSICS, Vol. 114, pp. 103905-1-6, Sept. 2013.
• Makoto Kubota, Kengo Oka, Hisato Yabuta, Kaoru Miura, Masaki Azuma. Structure and Magnetic Properties of BiFe₁−_xCo_xO₃ andBi_0.9Sm_0.1Fe₁−_xCo_xO₃, Inorganic Chemistry, Vol. 52, pp. 10698-10704, Sept. 2013.
• Kengo Oka, Koichiro Nabetani, Chika Sakaguchi, Hayato Seki, Michel Czapski, Yuichi Shimakawa, Masaki Azuma. Tuning negative thermal expansion in Bi₁-_XLn_XNiO₃(Ln=La,Nd,Eu,Dy), APPLIED PHYSICS LETTERS, Vol. 103, pp. 061909-1-3, Aug. 2013.
• Matteo d’Astuto, Ikuya Yamada, Paola Giura, Lorenzo Paulatto, Andrea Gauzzi, Moritz Hoesch, Michael Krisch, Masaki Azuma, Mikio Takano. Phonon anomalies and lattice dynamics in the superconducting oxychlorides Ca₂−_xCuO₂Cl₂, PHYSICAL REVIEW B, Vol. 88, pp. 014522, July 2013.
• Kengo Oka, Masaichiro Mizumaki, Chika Sakaguchi, Alexandra Sinclair, Clemens Ritter, J. Paul Attfield, Masaki Azuma. Intermetallic charge-transfer transition in Bi₁−_xLa_xNiO₃ as the origin of the colossal negative thermal expansion, PHYSICAL REVIEW B, Vol. 88, July 2013.
• H. Wadati, K. Kato, Y.Wakisaka, T.Sudayama, D.G. Hawthorn, T.Z. Regier, N.Onishi, M. Azuma, Y.Shimakawa, T.Mizokawa, A. Tanaka, G.A. Sawatzky. Impact of Mn–O–O–Mn superexchange pathways in a honeycomb lattice Mn oxide with small charge-transfer energy, Solid State Communications, Vol. 162, pp. 18-22, June 2013.
• Yutaka ITOH, Takato MACHI, Ikuya YAMADA, Masaki AZUMA, Mikio TAKANO. Cu NQR and NMR Studiesof Optimally Doped Ca₂xNaxCuO₂Cl₂, Journal of the Physical Society of Japan, Vol. 82, No. 5, Apr. 2013.
• Yutaka ITOH, Takato MACHI, Ikuya YAMADA, Masaki AZUMA, Mikio TAKANO. Cu NQR and NMR Studies of Optimally Doped Ca₂-_xNa_xCuO₂Cl₂, Journal of the Physical Society of Japan, Vol. 82, pp. 055001-1-2, Apr. 2013.
• R. Schuster, S. Pyon, M. Knupfer, M. Azuma, M. Takano, H. Takagi, B. B¨uchner. Angle-dependent spectral weight transfer and evidence of a symmetry-broken in-plane charge response in Ca₁.₉Na₀.₁CuO₂Cl₂, PHYSICAL REVIEW B, Vol. 86, No. 245112, pp. 1-6, Dec. 2012.
• S. Okubo, Tomonari Ueda, H. Ohta, Weimin Zhang, T. Sakurai, Nozomi Onishi, Masaki Azuma, Yuichi Shimakawa, Hiroki Nakano, T. Sakai. Dzyaloshinsky-Moriya interaction and field-induced magnetic order in an antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) studied by high-field electron spin resonance, PHYSICAL REVIEW B, Vol. 86, No. 140401, pp. 1-4, Oct. 2012.
• Kengo Oka, Tsukasa koyama, Tomoatsu Ozaki, Yuichi Shimakawa, Masaki Azuma, Shigeo Mori. Polarization Rotation in the Monoclinic Perovskite BiCo1_xFex03, Angewandte Chemie-International Edition, Vol. 51, No. 32, pp. 7977-7980, Aug. 2012.
• Y. Kohsaka, T. Hanaguri, M. Azuma, M. Takano, J. C. Davis, H. Takagi. Visualization of the emergence of the pseudogap state and the evolution to superconductivity in a lightly hole-doped Mott insulator, NATURE PHYSICS, Vol. 8, pp. 534-538, May 2012.
• 久保田 純, 岡 研吾, 中村 嘉孝, 薮田 久人, 三浦 薫, 島川 祐一, 東 正樹. Sm置換BiFeO₃の相転移挙動, 粉体および粉末冶金, Vol. 59, No. 5, pp. 239-245, May 2012.
• N. Onishi, K. Oka, M. Azuma, Y. Shimakawa, Yukitoshi Motome, Toshifumi Taniguchi, M. Hiraishi, M. Miyazaki, Tetsuya Masuda, A. Koda, R. Kadono, Kenji Kojima. Magnetic ground state of the frustrated honeycomb lattice antiferromagnet Bi3Mn4O12(NO3), PHYSICAL REVIEW B, Vol. 85, pp. 184412 1-6, May 2012.
• Yoshihiro Tsujimoto, Clastin I. Sathish, Kun-Pyo Hong, Kengo Oka, Masaki Azuma, Yanfeng Guo, Yoshitaka Matsushita, Kazunari Yamaura, Eiji Takayama-Muromachi. Crystal Structural, Magnetic, and Transport Properties of Layered Cobalt Oxyfluorides, Sr2CoO3+xF1−x (0 ≤ x ≤ 0.15), Inorganic Chemistry, Vol. 51, pp. 4802−4809, Apr. 2012.
• Yoshitaka Nakamura, M. Kawai, Masaki Azuma, Makoto Kubota, M. Shimada, Toshiaki Aiba, Yuichi Shimakawa. Rhombohedral-tetragonal structural change and enhanced piezoelectric constant in (1-x)BiFeO3-xBiCoO3 thin films, IOP Conf. Series: Materials Science and Engineering, Vol. 18, pp. 092017, Nov. 2011.
• A. C. Komarek, T. M¨oller, M. Isobe, Y. Drees, H. Ulbrich, M. Azuma, M. T. Fern´andez-D´ıaz, A. Senyshyn, M. Hoelzel, G. Andr´e, Y. Ueda, M. Gr¨uninger, M. Braden. Magnetic order, transport and infrared optical properties in the ACrO3 system (A = Ca, Sr, and Pb), PHYSICAL REVIEW B, Vol. 84, pp. 125114, Sept. 2011.
• Watanabe Takayuki, Mikio Shimada, Toshiaki Aiba, Hisato Yabuta, Kaoru Miura, Kengo Oka, Masaki Azuma, Satoshi Wada, Nobuhiro Kumada. Structural Transformation of Hexagonal (0001)BaTiO3 Ceramics to Tetragonal (111)BaTiO3 Ceramics, JAPANESE JOURNAL OF APPLIED PHYSICS, Vol. 50, No. 9, pp. 09ND01-1-4, Sept. 2011.
• Makoto Kubota, Kengo Oka, Yoshitaka Nakamura, Hisato Yabuta, Kaoru Miura, Yuichi Shimakawa, Masaki Azuma. Sequential Phase Transitions in Sm Substituted BiFeO3, Jpn. J. Appl. Phys., Vol. 50, No. 9, pp. 09NE08, Sept. 2011.
• Atsushi Shimamura, Ichiro Fujii, Nobuhiro Kumada, Kouichi Nakashima, Masaki Azuma, Yoshihiro Kuroiwa, Shinichiro Kawada, Masahiko Kimura, Satoshi Wada. Single Phase Formation and Electric Properties of Bismuth Niobium Based Perovskite-type Oxides, Key Engineering Materials, Vol. 485, pp. 81-84, July 2011.
• Masaki Azuma, Wei-tin Chen, Hayato seki, Michal Czapski, Smirnova olga, Kengo oka, Masaichiro Mizumaki, Tetsu Watanuki, Naoki Ishimatsu, Naomi Kawamura, Shintaro Ishiwata, Matthew G. Tucker, Yuichi Shimakawa, J. Paul Attfield. Colossal negative thermal expansion in BiNiO3 induced by intermetallic charge transfer, NATURE COMMUNICATIONS, Vol. 2, No. 347, pp. 1-5, June 2011.
• Sudayama, T, Y. Wakisaka, H. Wadati, Mizokawa, G. A. Sawatzky, D.G. Hawthorn, T. Z. Regier, Kengo Oka, Masaki Azuma, M. Shimakawa, Y. Co-O-O-Co superexchange pathways enhanced by small charge-transfer energy in multiferroic BiCoO(3), Pysical Review B, Vol. 83, pp. 235105-1-5, June 2011.
• Yoshitaka Nakamura, Masanori Kawai, Masaki Azuma, Makoto Kubota, M. Shimada, Toshiaki Aiba, Yuichi Shimakawa. Enhanced Piezoelectric Constant of (1- x)BiFeO3–xBiCoO3 Thin Films Grown on LaAIO3 Substrate, Jpn. J. Appl. Phys., Vol. 50, pp. 031505, Mar. 2011.
• Teng, Y., Kusano, Y., Masaki Azuma, Haruta, M., Shimakawa, Y.. Morphology effects of Co₃O₄ nanocrystals catalyzing CO oxidation in a dry reactant gas stream, Catalysis Science and Technology, Vol. 1, No. 6, pp. 920-922, 2011.
• M Azuma, Masaaki Matsuda, S Olga, Y Kusano, Y Shimakawa, N Kumada, Nozomi Onishi, M Tokunaga. Frustrated S=3/2 honeycomb antiferromagnet Bi3Mn4O12(NO3), Journal of Physics: Conference Series, Vol. 320, pp. 012005 1-7, 2011.
• Kikuchi, H., Fujii, Y., Takahashi, D., Masaki Azuma, Shimakawa, Y., Taniguchi, T., Matsuo, A., Kindo, K.. Spin gapped behavior of a frustrated delta chain compound euchroite, Journal of Physics: Conference Series, Vol. 320, 2011.
• M. Matsuda, M. Azuma, M. Tokunaga, Y. Shimakawa, N. Kumada. Disordered Ground State and Magnetic Field-Induced Long-Range Order in an S=3/2 Antiferromagnetic Honeycomb Lattice Compound Bi3Mn4O12(NO3), Physical Review Letters, Vol. 105, No. 18, pp. 187201, Oct. 2010.
• I. Yamada, S. Ishiwata, I. Terasaki, M. Azuma, Y. Shimakawa, M. Takano. Synthesis, Structure, and Physical Properties of A-site Ordered Perovskites ACu3Co4O12 (A = Ca and Y), CHEMISTRY OF MATERIALS, Vol. 22, No. 18, pp. 5328-5332, Sept. 2010.
• Kaoru Miura, Makoto Kubota, Masaki Azuma, HIROSHI FUNAKUBO. Electronic, Structural, and Piezoelectric Properties of BiFe1-xCoxO3, JAPANESE JOURNAL OF APPLIED PHYSICS, Vol. 49, No. 9, 09ME07, Sept. 2010.
• Kengo Oka, Masaki Azuma, Wei-tin Chen, hitoshi Yusa, Alexei A. Belik, Eiji Takayama-Muromachi, Masaichiro Mizumaki, Naoki Ishimatsu, Nozomu Hiraoka, Masahiko Tsujimoto, Matthew G. Tucker, J. Paul Attfield, Yuichi Shimakawa. Pressure-Induced Spin-State Transition in BiCoO3, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Vol. 132, No. 27, p. 9438, July 2010.
• M. Tokunaga, M. Azuma, Y. Shimakawa. High-Field Study of Strong Magnetoelectric Coupling in Single-Domain Crystals of BiFeO3, Journal of the Physical Society of Japan, Vol. 79, No. 6, pp. 064713, July 2010.
• James A. Enterkin, Paul A. Maggard, Shintaro Ishiwata, Laurence D. Marks, Kenneth R. Poeppelmeier, Masaki Azuma, Mikio Takano. Single crystal growth and structure of La4Cu3MoO12, JOURNAL OF SOLID STATE CHEMISTRY, Vol. 183, No. 3, p. 551, Mar. 2010.
• Y. Nakamura, M. Kawai, M. Azuma, Y. Shimakawa. Crystal Structures and Electric Properties of (1-x)BiFeO3-xBiCoO3 Thin Films Prepared by Chemical Solution Deposition, Japanese Journal of Applied Physics, Vol. 49, No. 5, pp. 051501, Mar. 2010.
• YH. Teng, S. Yamamoti, Y. Kusano, M. Azuma, Y. Shimakawa. One-pot hydrothermal synthesis of uniformly cubic Co3O4 nanocrystals, Materials Letters, Vol. 64, No. 3, pp. 239-242, Feb. 2010.
• Kengo Oka, Masaki Azuma, Alexei A. Belik, Hiroshi Kojitani, Masaki Akaogi, Mikio Takano, Yuichi Shimakawa. Pressure-Induced Transformation of 6H Hexagonal to 3C Perovskite Structure in PbMnO3, Inorganic Chemistry, Vol. 48, No. 5, pp. 2285, Mar. 2009.
• Kohki Satoh, Masatoshi Hiraishi, Masanori Miyazaki, Satoshi Takeshita, Akihiro Koda, R. Kadono, I. Yamada, K. Oka, M. Azuma, Y. Shimakawa, M. Takano. Effect of Zn substitution for Cu on Ca2-xNaxCuO2Cl2 near the hole concentration of 1/8 per Cu., Physica B-Condensed Matter, Vol. 404, pp. 713-716, 2009.
• K. Nishimura, M. Azuma, Shigeto Hirai, M. Takano, Y. Shimakawa. Synthesis and Physical Properties of Double Perovskite Pb2FeReO6,, Inorg. Chem., Vol. 48, pp. 5962-5966, 2009.
• Mizumaki, M., N. Ishimatsu, N. Kawamura, M. Azuma, Y. Shimakawa, M. Takano, Takayuki Uozumi. Direct observation of the pressure-induced charge redistribution in BiNiO3 by x-ray absorption spectroscopy., Phys. Rev. B,, Vol. 80, 125105-1-125105-4, 2009.
• T. Hanaguri, Y. Kohsaka, M. Ono, M. Maltseva, P. Coleman, I. Yamada, M. Azuma, M. Takano, K. Ohishi, H. Takagi. Coherence Factors in a High-Tc Cuprate Probed by Quasi-Particle Scattering Off Vortices, Science, Vol. 32, pp. 923-926, 2009.
• Y. W. Long, N. Hayashi, T. Saito, M. Azuma, S. Muranaka, Y. Shimakawa. Temperature-induced A–B intersite charge transfer in an A-site-ordered LaCu3Fe4O12 perovskite, Nature, Vol. 458, pp. 60-63, 2009.
• O. Smirnova, M. Azuma, N. Kumada, Y. Kusano, M. Matsuda, Y. Shimakawa, T. Takei, Y. Yonesaki, N. Kinomura. Synthesis, Crystal Structure and Magnetic Properties of Bi3Mn4O12(NO3) Oxynitrate Comprising S = 3/2 Honeycomb Lattice, J. Am. Chem. Soc., Vol. 131, pp. 8313-8317, 2009.
• H. Jiang, N. Kumada, Y. Yonesaki, T. Takei, N. Kinomura, M. Yashima, M. Azuma, K. Oka, Y. Shimakawa. Hydrothermal Synthesis of a New Double Perovskite-Type Bismuthate, (Ba0.75K0.14H0.11)BiO3•nH2O, Jpn. J. Appl. Phys., Vol. 48, pp. 010216-1-3, 2009.
• R. Schuster, S. Pyon, M. Knupfer, J. Fink, M. Azuma, M. Takano, H. Takagi, B. Buchner. Charge-transfer excitons in underdoped Ca2-xNaxCuO2Cl2 studied by electron energy-loss spectroscopy, Phys. Rev. B, Vol. 79, pp. 214517-1-4, 2009.
• Y. Kumagai, F. Oba, I. Yamada, M. Azuma, I. Tanaka. First-principles study of defect-induced potentials in Ca2CuO2Cl2., Phys. Rev. B, Vol. 80, pp. 85120-1-85120-9, 2009.
• Mizokawa, T., Y. Morita, T. Sudayama, K. Takubo, I. Yamada, M. Azuma, M. Takano, Y. Shimakawa. Metallic versus insulating behavior in the A-site ordered perovskite oxides ACu3Co4O12 (A = Ca and Y) controlled by Mott and Zhang-Rice physics., Phys. Rev. B, Vol. 80, pp. 125105-1-125105-4, 2009.
• Long, Y.W., T. Saito, T. Tohyama, K. Oka, M. Azuma, Y. Shimakawa. Intermetallic Charge Transfer in A-Site-Ordered Double Perovskite BiCu3Fe4O12., Inog. Chem., Vol. 48, pp. 8489-8492, 2009.
• Kengo Oka, Masaki Azuma, Ikuya Yamada, Soshi Takeshita, Kohki Satoh, Akihiro Koda, Ryosuke Kadono, Mikio Takano, Yuichi Shimakawa. Magnetic ground-state of perovskite PbVO3 with large tetragonal distortion, Inorganic Chemistry, Vol. 47, No. 16, pp. 7355, Aug. 2008.
• Kengo Oka, Masaki Azuma, Naoaki Hayashi, Shigetoshi Muranaka, Yasuo Narumi, Koichi Kindo, Masatsune Kato, Yoji Koike, Yuichi Shimakawa, Mikio Takano. Charge and magnetic orderings in the triangular-lattice antiferromagnet InFe2O4, Journal of the Physical Society of Japan, Vol. 77, No. 6, pp. 064803, June 2008.
• Hiroshi Shiraki, T. Saito, M. Azuma, Y. Shimakawa. Metallic behavior in A-site-ordered perovskites ACu3V4O12 with A = Na+, Ca2+, and Y3+., J. Phys. Soc. Jpn., Vol. 77, 064705, 2008.
• N. Ichikawa, M. Arai, Y. Imai, K. Hagiwara, H. Sakama, M. Azuma, Y. Shimakawa, M. Takano, Y. Kotaka, M. Yonetani, H. Fujisawa, M. Shimizu, K. Ishikawa, Y. Cho. Multiferroism at Room Temperature in BiFeO3/BiCrO3(111) Artificial Superlattices, Applied Physics Express, Vol. 1, pp. 101302, 2008.
• A. A. Belik, M. Nagao, M. Azuma, M. Takano, Y. Matsui, E. Takayama-Muromachi. Structural and Physical Properties of Heavily Doped Yttrium Vanadate: Y0.6Cd0.4VO3, Chem. Mater., Vol. 20, pp. 5246-5252, 2008.
• S. J. E. Carlsson, M. Azuma, Y. Shimakawa, M. Takano, A. Hewat, J. P. Attfield. Neutron powder diffraction study of the crystal and magnetic structures of BiNiO3 at low temperature., J. Solid State Chem., Vol. 181, pp. 611-615, 2008.
• I. Yamada, K. Takata, N. Hayashi, Shinohara Satoshi, M. Azuma, Shigeo Mori, S. Muranaka, Y. Shimakawa, M. Takano. A perovskite containing quadrivalent iron as a charge-disproportionated ferrimagnet., Angew. Chem. Int. Ed., Vol. 47, pp. 7032-7035, 2008.
• H. Ohta, S. Okubo, K. Shiraki, Makoto Yoshida, A. A. Belik, M. Azuma, M. Takano. High field ESR measurements on one dimensional antiferromagnetic zigzag chain systems., J. Korean Phys. Soc, Vol. 53, pp. 999-1005, 2008.
• S. Ishiwata, I. Terasaki, M. Azuma, M. Takano. High pressure synthesis and structure of a new magnetoplumbite-type cobalt oxide SrCo12O19., J. Solid State Chem., Vol. 181, Page 1273-1278, 2008.
• M. Azuma, S. Carlsson, J. Rodgers, M. G. Tucker, M. Tsujimoto, S. Ishiwata, S. Isoda, Y. Shimakawa, M. Takano, J. P. Attfield. Pressure-Induced Intermetallic Valence Transition in BiNiO3, Journal of the American Chemical Society, Vol. 129, No. 46, pp. 14433-14436, Oct. 2007.
• A. A. Belik, N. Hayashi, M. Azuma, S. Muranaka, M. Takano, E. Takayama-Muromachi. Magnetic and Mossbauer studies of 5% Fe-doped BiMnO3, J. Solid State Chem., Vol. 180, pp. 3401-3407, 2007.
• I. Yamada, M. Azuma, Y. Shimakawa, M. Takano. Single crystal growth of A-site deficient superconductor Ca2-xCuO2Cl2., Physica C, Vol. 460, pp. 420-421, 2007.
• Noriaki Oba, H. Kageyama, T. Saito, M. Azuma, Werner Paulus, Taro Kitano, Yoshitami Ajiro, K. Yoshimura. Synchrotron X-ray diffraction study on the square-lattice antiferromagnets (CuCl)LaNb2O7 and (FeCl)LaNb2O7, N. Oba, H. Kageyama, T. Saito, M. Azuma, W. Paulus, T. Kitano, Y. Ajiro, K. Yoshimura, Vol. 310, pp. 1337-1339., 2007.
• 岡研吾, 東正樹, 鳴海康雄, 金道浩一, 林直顕, 島川祐一, 高野幹夫. 三角格子反強磁性体InFe2O4の合成と物性, 粉体および粉末冶金, Vol. 54, No. 1, pp. 53-57, 2007.
• 河合正徳, 齊藤高志, 林直顕, 東正樹, 高野幹夫, 島川祐一. 高圧法を用いた層状化合物AFe6-xMnxO11 (A=Ba, Sr)の合成, 粉体および粉末冶金, Vol. 54, No. 1, pp. 58-63, 2007.
• T. Hanaguri, Y. Kohsaka, J. C. Davis, C. Lupien, I. Yamada, M. Azuma, M. Takano, K. Ohishi, M. Ono, H. Takagi. Quasi-particle interference and superconducting gap in a high-temperature superconductor Ca2-xNaxCuO2Cl2, Nature Physics, Vol. 3, pp. 865-871, 2007.
• Y. Shimakawa, D. Kan, M. Kawai, M. Sakai, S. Inoue, M. Azuma, S. Kimura, O. Sakata. Direct observation of B-site ordering in multiferroic Bi2NiMnO6 thin film, Jpn. J. Appl. Phys.Part 2, Vol. 46, pp. L845-L847, 2007.
• T. Lancaster, S. J. Blundell, P. J. Baker, F. L. Pratt, W. Hayes, I. Yamada, M. Azuma, M. Takano. A muon-spin relaxation study of BiMnO3, Journal of Physics-Condensed Matter, Vol. 19, 2007.
• 白木 宏, 齊藤高志, 山田高広, 辻本将彦, 東 正樹, 倉田博基, 磯田正二, 高野幹夫, 島川祐一. Aサイトオーダーダブルペロブスカイト型構造を持つ強磁性銅酸化物CaCu3Ge4O12及びCaCu3Sn4O12, 粉体および粉末冶金, Vol. 55, No. 2, pp. 132-136, 2007.
• K. Takata, I. Yamada, M. Azuma, M. Takano, Y. Shimakawa. Magnetoresistance and electronic structure of the half-metallic ferrimagnet BiCu3Mn4O12, Phys. Rev. B, Vol. 76, pp. 024429-1-024429-4, 2007.
• Y. Kohsaka, C. Taylor, K. Fujita, A. Schmidt, C. Lupien, T. Hanaguri, M. Azuma, M. Takano, H. Eisaki, H. Takagi, S. Uchida, J.C. Davis. An Intrinsic Bond-Centered Electronic Glass with Unidirectional Domains in Underdoped Cuprates, Science, Vol. 315, No. 5817, pp. 1380-1385, 2007.
• T. Hanaguri, Y. Kohsaka, J. C. Davis, C. Lupien, I. Yamada, M. Azuma, M. Takano, Kazuki Ooishi, H. Takagi. Low-energy spectroscopic mapping studies in optimally-doped Ca2-xNaxCuO2Cl2., Physica C, Vol. 460, pp. 954-955, 2007.
• M. Azuma, Hirochika Kanda, A. A. Belik, Y. Shimakawa, M. Takano. Magnetic and Structural Properties of BiFe1-xMnxO3, J. Mag. Mag. Mater., Vol. 310, pp. 1177-1179, 2007.
• K.M. Shen, F. Ronning, W. Meevasana, D.H. Lu, N.J.C. Ingle, F. Baumberger, W.S. Lee, L.L. Miller, Y. Kohsaka, M. Azuma, M. Takano, H. Takagi, Z.-X. Shen. Angle-Resolved Photoemission Studies of Lattice Polaron Formation in the Cuprate Ca2CuO2Cl2, Phys. Rev. B, Vol. 75, No. 7, pp. 075115-1-075115-5, 2007.
• S. Ishiwata, M. Azuma, M. Takano. Structure and Physical Properties of Perovskite Bi0.8Pb0.2NiO3 in Unusual Valence State A4+B2+O3, Chem. Mater., Vol. 19, No. 8, Page 1964-1967, 2007.
• A.A. Belik, S. Iikubo, Tadahiro Yokosawa, K. Kodama, N. Igawa, S. Shamoto, M. Azuma, M. Takano, Koji Kimoto, Yoshio Matsui, E. Takayama-Muromachi. Origin of the Monoclinic-to-Monoclinic Phase Transition and Evidence for the Centrosymmetric Crystal Structure of BiMnO3, J. Am. Chem. Soc., Vol. 129, No. 4, pp. 971-977, 2007.
• H. Shiraki, T. Saito, Takahiro Yamada, M. Tsujimoto, M. Azuma, Hiroki Kurata, Syoji Isoda, M. Takano, Y. Shimakawa. Ferromagnetic cuprates CaCu3Ge4O12 and CaCu3Sn4O12 with A-site ordered perovskite structure, Phys. Rev. B, Vol. 76, pp. 140403/1-4., 2007.
• 西村浩輔, 東 正樹, 高野幹夫, 島川祐一. ダブルペロブスカイトPb2FeReO6の合成と物性, 粉体および粉末冶金, Vol. 55, No. 2, pp. 137-140, 2007.
• H. Wadati, Kiyonao Tanaka, A. Fujimori, T. Mizokawa, H. Kumigashira, M. Oshima, S. Ishiwata, M. Azuma, M. Takano. Temperature-dependent photoemission and x-ray absorption studies of the metal-insulator transition in Bi1−xLaxNiO3, Phys. Rev. B, Vol. 76, pp. 205123/1-4, 2007.
• A.A. Belik, M. Azuma, A. Matsuo, S. Okubo, H. Ohta, K. Kindo, M. Takano, Kaji. Crystal Structure and Properties of Phosphate PbCu2(PO4)2 with Spin-Singlet Ground State, Phys. Rev., 73, Vol. 73, No. 2, pp. 024429-1-024429-7, 2006.
• W. Zhang, N. Kumada, Y. Yonesaki, T. Takei, N. Kinomura, T. Hayashi, M. Azuma, M. Takano. Ferroelectric perovskite-type barium copper niobate: BaCu1/3Nb2/3O3, Solid State Chem., Vol. 179, pp. 4052-4055, 2006.
• Atsunobu Masuno, Mitsutaka Haruta, M. Azuma, H. Kurata, S. Isoda, M. Takano, Y. Shimakawa. Epitaxial growth and B-site cation ordering in layered double perovskite La2CuSnO6 thin films, Appl. Phys. Lett., Vol. 89, pp. 211913-1-211913-3, 2006.
• Shojiro Kimura, Hirofumi Ishikawa, Y. Inagaki, M. Yoshida, S. Okubo, H. Ohta, H. nojiri, A.A. Belik, M. Azuma, M. Takano. ESR Measurements on One-Dimensional Quantum Ferrimagnets A3Cu3(PO4)4 with A=Sr and Ca in Submillimeter-Wave Region, J. Phys. Soc. Jpn., Vol. 75, No. 9, pp. 094718-1-094718-7, 2006.
• A.A. Belik, Satoshi Iikubo, Katsuaki Kodama, Naoki Igawa, Shin-ichi Shamoto, Seiji Niitaka, M. Azuma, Y. Shimakawa, M. Takano, F. Izumi, E. Takayama-Muromachi. Neutron Powder Diffraction Study on the Crystal and Magnetic Structures of BiCoO3, Chem. Mater., Vol. 18, No. 3, pp. 798-803, 2006.
• M. Azuma, S. Niitaka, A. Belik, S. Ishiwata, T. Saito, K. Takata, I. Yamada, Y. Shimakawa, M. Takano. Magnetic Ferroelectrics Bi, Pb-3d Transition Metal Perovskites, Transactions of Materials Research Society of Japan, Vol. 31, No. 1, pp. 41-46, 2006.
• J.T.Rijssenbeek, T. Saito, S.Malo, M. Azuma, M. Takano, K.R. Poeppelmeier. Effect of Explicit Cationic Size and Valence Constraints on the Phase Stability of 1:2 B-Site-Ordered Perovskite Ruthenates, J. Am. Chem. Soc., Vol. 127, No. 2, Page 675-681, May 2005.
• S. Ishiwata, M. Azuma, . M. Hanawa, Y. Moritomo, Kazuki Ooishi, K. Kato, M. Takata, Eiji Nishibori, M. Sakata, I. Terasaki, M. Takano. Pressure/Temperature/Substitution-Induced Melting of A-Site Charge Disproportionation in Bi1-xLaxNiO3 (0≤x≤0.5), Phys. Rev. B, Vol. 72, No. 4, pp. 045104-1-045104-7, 2005.
• Kazuki Ooishi, I. Yamada, Akihiro Kohda, Wataru Higemoto, Saha S.R., R. Kadono, Kojima K.M., M. Azuma, M. Takano. Magnetic Phase Diagram of Hole-Doped Ca2-xNaxCuO2Cl2 Cuprate Superconductor, J. Phys. Soc Jpn, Vol. 74, No. 9, pp. 2408-2412, 2005.
• A.A. Belik, M. Azuma, A. Matsuo, Whangbo M.-H., Koo H.-J., Kikuchi J., Tomoyuki Kaji, S. Okubo, H. Ohta, K. Kindo, M. Takano. Investigation of the Crystal Structure and the Structural and Magnetic Properties of SrCu2(PO4)2, Inorg. Chem., Vol. 44, No. 19, pp. 6632-6640, 2005.
• A.A. Belik, F. Izumi, M. Azuma, T. Kamiyama, Oikawa K., Pokholok K.V., B.I. Lazoryak, M. Takano. Redox Reactions in Strontium Iron Phosphates: Synthesis, Structures, and Characterization of Sr9Fe(PO4)7 and Sr9FeD(PO4)7, Chem. Mater., Vol. 17, No. 22, pp. 5455-5464, 2005.
• Alexei A. Belik, M. Azuma, T. Saito, Y. Shimakawa, M. Takano. Crystallographic Features and Tetragonal Phase Stability of PbVO3, a New Member of PbTiO3 Family, Chem. Mater., Vol. 17, No. 2, Page 269-273, 2005.
• 高田和英, 東正樹, 島川祐一, 高野幹夫. 高圧合成法を用いた強磁性強誘電体ビスマスダブルペロブスカイトの探索, 粉体および粉末冶金, Vol. 52, No. 12, pp. 913-917, 2005.
• A.A. Belik, M. Azuma, M. Takano. Magnetic Properties of Isostructural BaCoP2O7, BaNiP2O7 and BaCuP2O7 Studied with dc and ac Magnetization and Specific Heat, Inorg. Chem., Vol. 44, No. 21, Page 7523-7529, 2005.
• M. Azuma, Kazuhide Takata, T. Saito, S. Ishiwata, Y. Shimakawa, M. Takano. Designed Ferromagnetic, Ferroelectric Bi2NiMnO6, J. Am. Chem. Soc., Vol. 127, No. 24, Page 8889-8892, 2005.
• A.A. Belik, M. Azuma, Akira Matsuo, K. Kindo, M. Takano. Low-Dimensional Ferromagnetic Properties of SrCuV2O7 and BaCuV2O7, Inorg. Chem, Vol. 44, No. 10, pp. 3762-3766, 2005.
• Kaji, S. Okubo, H. Ohta, Yuhji Inagaki, A.A. Belik, M. Azuma, M. Takano. High Field ESR Measurements of Spin Gap System MCu2(PO4)2, J. Phys. & Chem. Solids,, Vol. 66, No. 11, pp. 2068-2071, 2005.
• A.A. Belik, A. Matsuo, M. Azuma, K. Kindo, M. Takano. Long-Range Magnetic Ordering of S=1/2 Linear Trimers in A3Cu3(PO4)4 (A=Ca, Sr, and Pb), J. Solid State Chem., Vol. 178, No. 3, pp. 709-714, 2005.
• Masaaki Matsuda, K. Kakurai, A.A. Belik, M. Azuma, M. Takano, M. Fujita. Magnetic Excitations from the Linear Heisenberg Antiferromagnetic Spin Trimer System A3Cu3(PO4)4 (A=Ca, Sr, and Pb), Phys. Rev. B, Vol. 71, No. 14, pp. 144411-1-144411-5, 2005.
• R. Yu, X. Xing, T. Saito, M. Azuma, M. Takano, D. Wang, Y. Chen, N. Kumada, N. Kinomura. A Novel Organically Templated Hybrid Open-Framework Manganese Phosphate-Oxalate, Solid State Sciences, Vol. 7, No. 2, pp. 221-226, 2005.
• K.M. Shen, F. Ronning, D.H. Lu, F. Baumberger, N.J.C. Ingle, W.S. Lee, W. Meevasana, Y. Kohsaka, M. Azuma, M. Takano, M. Takagi, Z.-X. Shen. Nodal Quasiparticles and Antinodal Charge Ordering in Ca2-xNaxCuO2Cl2, Science, Vol. 307, No. 5711, pp. 901-904, 2005.
• S. Okubo, Akio Taketani, H. Ohta, T. Kunimoto, Y. Inagaki, T. Saito, M. Azuma, M. Takano, H. Kikuchi. High Field ESR Measurements of S=1/2 Diamond Chain Substance Cu3(CO3)2(OH)2 at the Magenetization Plateau Region, Progress of Theoretical Physics Supplement, No. 159, pp. 11-16, 2005.
• K. Shiraki, M. Yoshida, S. Okubo, H. Ohta, A.A. Belik, M. Azuma, M. Takano. High Field ESR Measurements of MCuP2O7 (M=Sr, Pb), Progress of Theoretical Physics Supplement, No. 159, pp. 168-172, 2005.
• S. Ghosh, Kamaraju N., Seto M., A. Fujimori, Y. Takeda, S. Ishiwata, S. Kawasaki, M. Azuma, M. Takano, Sood A.K.. Raman Scattering in CaFeO3 and La0.33Sr0.67FeO3 across the Charge-Disproportionation Phase Transition, Phys. Rev. B, Vol. 71, No. 24, pp. 245110-1-245110-7, 2005.
• Yamada, A.A. Belik, M. Azuma, Harjo S., T. Kamiyama, Y. Shimakawa, M. Takano. Single-Layer Oxychloride Superconductor Ca2-xCuO2Cl2 with A-Site Cation Deficiency, Phys. Rev. B, Vol. 72, No. 222, pp. 224503-1-224503-5, 2005.
• Daiki Wadati, M Takizawa, Tran Trung, Kiyonao Tanaka, Takashi Mizokawa, Atsushi Fujimori, Akira Chikamatsu, Hiroshi Kumigashira, M Oshima, S. Ishiwata, M. Azuma, M. Takano. Valence Changes Associated with the Metal-Insulator Transition in Bi1-xLaxNiO3, Phys. Rev. B, Vol. 72, No. 15, pp. 155103-1-155103-5, 2005.
• Qiu Y., Broholm C., S. Ishiwata, M. Azuma, M. Takano, Bewley R., Buyers W.J.L. Buyers. Spin-Trimer Antiferromagnetism in La4Cu3MoO12, Phys. Rev. B, Vol. 71, No. 21, pp. 214439-1-214439-8, 2005.
• Y. Inagaki, Y. Narumi, K. Kindo, H. Kikuchi, T. Kamikawa, T. Kunimoto, S. Okubo, H. Ohta, T. Saito, M. Azuma, M. Takano, H. Nojiri, M Kaburagi, Takashi Tonegawa. Ferro-Antiferromagnetic Delta-Chain System Studied by High Field Magnetization Measurements, J. Phys. Soc. Jpn., Vol. 74, No. 10, pp. 2831-283, 2005.
• S. Niitaka, M. Azuma, M. Takano, E. Nishibori, M. Takata, M. Sakata. Crystal Structure and Dielectric and Magnetic Properties of BiCrO3 as a Ferroelectromagnet, Solid State Ionics, Vol. 172, No. 1-4, pp. 557-559, 2004.
• Kensaku Hiraka, Yuta Nagasaka, T. Kunimoto, Y. Inagaki, S. Okubo, H. Ohta, T. Saito, M. Azuma, M. Takano. Magnetic Phase Transition of High-Pressure Phase (VO)2P2O7 Studied by High-Field ESR Measurements, J. Mag. Mag. Mat., Vol. 272-276, No. 1, pp. e1675-e1676, 2004.
• K. M. Shen, F. Ronning, D. H. Lu, W. S. Lee, N. J. C. Ingle, W. Meevasana, F. Baumberger, A. Damascelli, N. P. Armitage, L. L. Miller, Y. Kohsaka, M. Azuma, M. Takano, H. Takagi, Z.-X. Shen. Missing Quasiparticles and the Chemical Potential Puzzle in the Doping Evolution of the Cuprate Superconductors, Phys. Rev. Lett., Vol. 93, No. 9, pp. 267002-1-267002-4, 2004.
• Shen K.M., Yoshida T., Lu D.H., Ronning F., Armitage N.P., Lee W.S., Zhou X.J., Damascelli A., Feng D.L., Ingle N.J.C., Eisaki H., Y. Kohsaka, H. Takagi, Kakeshita T., Uchida S., Mang P.K., Greven M., Onose Y., Y. Tokura, Ando Y., S. Komiya, Taguchi Y., Masaki Azuma, A. Fujimori, M. Takano, Shen Z.-X.. Fully Gapped Single-Particle Excitations in Lightly Doped Cuprates, Phys. Rev. B,, Vol. 69, No. 5, 054503-1-054503-5, 2004.
• Stefanovich S.Y., A.A. Belik, M. Azuma, M. Takano, Baryshnikova O.V., Morozov V.A., Lazoryak B.I., Levedev O.I., Tendeloo G.V.. Antiferroelectric Phase Transition in Sr9In(PO4)7, Phys. Rev. B, Vol. 70, No. 17, pp. 172103-1-172103-4, 2004.
• Yu R., Wang D., S. Ishiwata, T. Saito, M. Azuma, M. Takano, Chen Y.Chen, Li J.. Synthesis and Characterization of the First Organically Templated Layered Cerium Phosphate Fluoride: [(CH2)2(NH3)2]0.5[CeIVF3(HPO4)], Chem. Lett., Vol. 33, No. 4, pp. 458-459, 2004.
• S. Ishiwata, M. Azuma, M. Takano. Pressure-Induced Metal-Insulator Transition in BiNiO3, Solid State Ionics,, Vol. 172, No. 1-4, pp. 569-571, 2004.
• A.A. Belik, M. Azuma, M. Takano. Magnetic Properties of Some Cu-Containing Phosphates, J. Mag. Mag. Mat., Vol. 272-276, Part 2, pp. 937-938, 2004.
• Yamada, M. Azuma, M. Takano. Superconductivity at 38 K in the Single Layer Oxychloride without Cation Substitution, Physica C,, Vol. 412-414, Part 1, pp. 27-30, 2004.
• T. Hanaguri, C Lupien, yuhki Kohsaka, D.-H. Lee, M. Azuma, M. Takano, H. Takagi, J.C. Davis. A 'Checkerboard' Electronic Crystal State in Lightly Hole-Doped Ca2-xNaxCuO2Cl2, Nature,, Vol. 430, No. 7003, pp. 1001-1005, 2004.
• J. Kikuchi, K. Motoya, T. Saito, M. Azuma, M. Takano. NMR Characterization of Spin-1/2 Alternating Antiferromagnetic Chains in the High-Pressure Phase of (VO)2P2O7, J. Phys.:Condens. Matter, Vol. 16, No. 12, pp. L167-L172, 2004.
• M. Azuma, Hirofumi Yoshida, T. Saito, Takahiro Yamada, M. Takano. Pressure-Induced Buckling of Spin Ladder in SrCu2O3, J. Am. Chem. Soc., Vol. 126, No. 26, pp. 8244-8246, 2004.
• Yuhki Kousaka, K. Iwaya, S. Satow, Tetsuo Hanaguri, M. Azuma, M. Takano, H. Takagi. Imaging Nanoscale Electronic Inhomogeneity in the Lightly Doped Mott Insulator Ca2-xNaxCuO2Cl2, Phys. Rev. Lett., Vol. 93, No. 9, pp. 097004-1-097004-4, 2004.
• A.A. Belik, M. Azuma, M. Takano. Phase Transitions in Sr-Containing Phosphates and Vanadates with -Ca3(PO4)2-Related Structures, Solid State Ionics, Vol. 172, No. 1-4, Page 533-537, 2004.
• A.A. Belik, M. Azuma, M. Takano. Characterization of Quasi-One-Dimensional S=1/2 Heisenberg Antiferromagnets Sr2Cu(PO4)2 and Ba2Cu(PO4)2 with Magnetic Susceptibility, Specific Heat, and Thermal Analysis, J. Solid State Chem., Vol. 177, No. 3, Page 883-888, 2004.
• A.A. Belik, M. Azuma, M. Takano, B.I. Lazoryak. SrFe2(PO4)2: Ab Initio Structure Determination with X-Ray Powder Diffraction Data and Unusual Magnetic Properties, Chem. Mater., Vol. 16, No. 22, Page 4311-4318, 2004.
• T. Saito, M. Azuma, E. Nishibori, M. Takata, M. Sakata, N. Nakayama, T. Arima, Tsuyoshi Kimura, C. Urano, M. Takano. Monoclinic Distortion in the Insulating Phase of PrNiO3, Physica B, Vol. 329-333, No. Part II, pp. 866-867, Dec. 2003.
• Y. Kohsaka, T. Hanaguri, Kohichi Kitazawa, M. Azuma, M. Takano, H. Takagi. Real Space Imaging of the Electronic States in Underdoped Ca2-xNaxCuO2Cl2 Single Crystals, Journal of Low Temperature Physics,, Vol. 131, No. 3/4, pp. 299-303, 2003.
• M. Azuma, T. Saito, S. Ishiwata, I. Yamada, yuhki Kohsaka, H. Takagi, M. Takano. Single Crystal Growth of Transition Metal Oxides at High Pressures of Several GPa, Physica C,, Vol. 392-396, Part I, 22-28, 2003.
• T Kimura, S Kawamoto, I. Yamada, M. Azuma, M. Takano, Y. Tokura. Magnetocapacitance Effect in Multiferroic BiMnO3, Phys. Rev. B,, Vol. 67, No. 18, pp. 180401(R)-1-180401(R)-4, 2003.
• T. Uchino, A. Sakoh, M. Azuma, S. Kohara, M. Takahashi, M. Takano, T. Yoko. Anelastic Compression of Nanometer-Sized Silica Particles under High Pressure: A High-Energy X-Ray Diffraction Measurement, Phys. Rev. B,, Vol. 67, No. 9, pp. 092202-1-092202-4, 2003.
• H. Ohta, S. Okubo, Tomohisa Kamikawa, Takashi Kunimoto, Y. Inagaki, H. Kikuchi, T. Saito, M. Azuma, M. Takano. High Field ESR Study of the S=1/2 Diamond-Chain Substance Cu3(CO3)2(OH)2 up to the Magnetization Plateau Region, J. Phys. Soc. Jpn., Vol. 72, No. 10, pp. 2464-2467, 2003.
• Y. Kohsaka, T. Hanaguri, K. Kitazawa, M. Azuma, M. Takano, H. Takagi. STM/STS Study on Ca2-xNaxCuO2Cl2 Single Crystals, Physica C,, Vol. 388-389, pp. 283-284, 2003.
• T. Kunimoto, T. Kamikawa, Y. Inagaki, S. Okubo, H. Ohta, H. Kikuchi, T. Saito, M. Azuma, M. Takano. ESR Study of Frustrared Δ-Chain System, Physica B, Vol. 329-333, No. 2, pp. 1057-1058, 2003.
• T. Kamikawa, S. Okubo, T. Kunimoto, H. Ohta, Y. Inagaki, H. Kikuchi, T. Saito, M. Azuma, M. Takano. High Field ESR Measurement of Diamond Chain Substance Cu3(OH)2(CO3)2, Physica B, Vol. 329-333, No. 2, pp. 988-989, 2003.
• A.A. Belik, M. Azuma, M. Takano. Short-range and Long-range Magnetic Ordering in SrCuP2O7 and PbCuP2O7, Inorg. Chem., Vol. 42, Page 8572-8578, 2003.
• 東正樹. 高圧合成法を用いた新しい遷移金属酸化物の探索と単結晶育成, 粉体および粉末冶金, Vol. 50, No. 4, pp. 277-283, 2003.
• S. Ishiwata, M. Azuma, M. Takano, E. Nishibori, M. Takata, MAKOTO SAKATA. Suppression of A Site Charge Disproportionation in Bi1-xLaxNiO3, Physica B, Vol. 329-333, No. Part II, pp. 813-814, 2003.
• M. Azuma, T. Saito, I. Yamada, Y. Kohsaka, H. Takagi, M. Takano. Single Crystal Growth of Ca2-xNaxCuO2Cl2 and Related Compounds at High Pressures of Several GPa, Journal of Low Temperature Physics,, Vol. 131, No. 3/4, pp. 671-679, 2003.
• 吉田裕史, 齊藤高志, 山田高広, 東正樹, 高野幹夫. スピン梯子化合物SrCu2O3およびSr2Cu3O5の圧力誘起構造相転移, 粉体および粉末冶金, Vol. 49, No. 5, pp. 377-381, 2002.
• T. Uchino, A. Sakoh, M. Azuma, M. Takano, M. Takahashi, T. Yoko. A Novel Pressure-Induced Polymorphic Transition from Fumed Silica to Transparent Amorphous SiO2 at Room Temperature, J. Phys.: Condens. Matter, Vol. 14, No. 44, pp. 11111-11114, 2002.
• S. Ishiwata, M. Azuma, M. Takano, E. Nishibori, M. Takata, M. Sakata, K. Kato. High Pressure Synthesis, Crystal Structure and Physical Properties of a New Ni(II) Perovskite BiNiO3, J. Mater. Chem., Vol. 12, No. 12, pp. 3733-3737, 2002.
• M. Azuma, T. Saito, S. Ishiwata, H. Yoshida, M. Takano, Y. Kohsaka, H. Takagi, W. Utsumi. Single-Crystal Growth of Transition Metal Oxides at High Pressures of Several GPa, J. Phys.: Condens. Matter, Vol. 14, No. 44, 11321-11324, 2002.
• D.C. Johnston, T. Saito, M. Azuma, M. Takano, T. Yamauchi, Y. Ueda. Modeling of the Magnetic Susceptibilities of the Ambient- and High-Pressure Phases of (VO)2P2O7, Phys. Rev. B,, Vol. 64, No. 13, pp. 134403-1-134403-23, 2001.
• Y. Narumi, S. Kimura, S. Hirai, K. Kindo, H. Schwenk, S. Schmidt, B. Wolf, B. Lüthi, T. Saito, M. Azuma, M. Takano. High-Field Magnetization Measurements on Single Crystals of (VO)2P2O7, Physica B, Vol. 294-295, pp. 71-74, 2001.
• 石渡晋太郎, 東正樹, 齊藤高志, 川崎修嗣, 高野幹夫. CaFeO3の高圧下単結晶育成, 粉体および粉末冶金, Vol. 48, No. 8, pp. 715-718, 2001.
• T. Saito, M. Azuma, M. Fujita, M. Takano. Observation of the Spin Gap in a S=1/2 Alternating Chain Compound, High Pressure Phase of (VO)2P2O7, J. Phys. Soc. Jpn.,, Vol. 70, Suppl. A, pp. 183-185, 2001.
• Shigeki Osugi, Y. Kitaoka, M. Azuma, Y. Fujishiro, M. Takano, T. Nagata, H. Fujino, J. Akimitsu. Cu NMR/NQR Studies on Magnetism in Impurity/Hole-Doped Spin-Ladder Compounds, Hyperfine Interactions,, Vol. 133, No. 1, pp. 157-162., 2001.
• H. Ohta, S. Okubo, T. Sakurai, T. Goto, K. Kirita, K. Ueda, Y. Uwatoko, T. Saito, M. Azuma, M. Takano, J. Akimitsu. High-Frequency ESR Measurements Using Pulsed Magnetic Fields in Kobe, Physica B, Vol. 294-295, pp. 624-629, 2001.
• M. Azuma, T. Odaka, M. Takano, D.A.V. Griend, K.R. Poeppelmeier, Y. Narumi, K. Kindo, Yoshiaki Mizuno, Sadamichi Maekawa. Antiferromagnetic Ordering of S=1/2 Triangles in La4Cu3MoO12, Phys. Rev. B, Vol. 62, No. 6, R3588-R3591, 2000.
• M.I. Larkin, Y. Fudamoto, I.M. Gat, A. Kinkhabwala, K.M. Kojima, G.M. Luke, J. Merrin, B. Nachumi, Y.J. Uemura, M. Azuma, T. Saito, M. Takano. Exponential Field Distribution in Sr(Cu1-xZnx)2O3, Physica B, Vol. 289-290, pp. 153-156, 2000.
• S. Ohsugi, Y. Kitaoka, M. Azuma, Y. Fujishiro, M. Takano. Antiferromagnetic Long-Range Order in Ni-Doped Spin-Ladder Compound SrCu2O3, Physica B, Vol. 281&282, Page 665-666, 2000.
• N. Fujiwara, M. Azuma, M. Takano. NMR Study of Zn-Doped SrCu2O3 near the Ordering Point, Physica B, Vol. 284-288, Page 1392-1393, 2000.
• M. Azuma, T. Saito, M. Takano. Two New Quantum Spin Compounds: S=1/2 Alternating Chain System, High Pressure Form of (VO)2P2O7 and 2D Spin Trimer Compound La4Cu3MoO12, J. Phys. Soc. Jpn., Vol. 69, Suppl. B, 108-113, 2000.
• D.A.V. Griend, K.R. Poeppelmeier, H. Toganoh, M. Azuma, M. Takano. High Pressure Synthesis of Cuprate Perovskites, Physica C,, Vol. 341-348, No. Part 1, pp. 335-338, 2000.
• Naoki Fujiwara, Takashi Saito, M. Azuma, M. Takano. NMR Study of the Critical Behavior near the Ordering Point in a Zn-Doped Spin Ladder SrCu2O3, Phys. Rev. B, Vol. 61, No. 18, Page 12196-12199, 2000.
• M.I. Larkin, Y. Fudamoto, I.M. Gat, A. Kinkhabwala, K.M. Kojima, G.M. Luke, M. Merrin, B. Nachumi, Y.J. Uemura, M. Azuma, T. Saito, M. Takano. Crossover from Dilute to Majority Spin Freezing in Two Leg Ladder System Sr(Cu, Zn)2O3, Phys. Rev. Lett., Vol. 85, No. 9, pp. 1982-1985, 2000.
• M. Azuma, T. Saito, Z. Hiroi, M. Takano, Yasuo Narumi, K. Kindo. New S=1/2 Alternating Chain Compound - High Pressure Form of (VO)2P2O7 -, ACTA Physica Polonica A,, Vol. 97, No. 1, Page 205-208, 2000.
• T. Saito, Takahito Terashima, M. Azuma, M. Takano, T. Goto, H. Ohta, Wataru Utsumi, Pier Bordet, David C. Johnston. Single Crystal Growth of the High Pressure Phase of (VO)2P2O7 at 3 GPa, J. Solid State Chem., Vol. 153, No. 1, pp. 124-131, 2000.
• K.R. Thurber, Takashi Imai, Takashi Saito, M. Azuma, M. Takano, F.C. Chou. 63Cu NQR Evidence of Dimensional Crossover to Anisotropic 2D Regime in S=1/2 Three-Leg Ladder Sr2Cu3O5, Phys. Rev. Lett., Vol. 84, No. 3, pp. 558-561, 2000.
• D.A.V. Griend, S. Boudin, . V. Caignaert, K.R. Poeppelmeier, Wang Y., Dravid V.P., M. Azuma, M. Takano, Z. Hu, Jorgensen J.D.. La4Cu3MoO12: A Novel Cuprate with Unusual Magnetism, J. Am. Chem. Soc., Vol. 121, No. 20, pp. 4787-4792, 1999.
• 齊藤高志, 東正樹, 高野幹夫, 広井善二, 鳴海康雄, 金道浩一, 内海渉. スピンギャップ化合物(VO)2P2O7高圧相の磁性と単結晶作製, 粉体および粉末冶金, Vol. 46, No. 9, pp. 1014-1019, 1999.
• M. Azuma, T. Saito, Y. Fujishiro, Z. Hiroi, M. Takano, F. Izumi, T. Kamiyama, T. Ikeda, Y. Narumi, K. Kindo. High-Pressure Form of (VO)2P2O7: A Spin-1/2 Antiferromagnetic Alternating-Chain Compound with One Kind of Chain and a Single Spin Gap, Phys. Rev. B, Vol. 60, No. 14, pp. 10145-10149, 1999.
• Z. Hiroi, M. Azuma, Y. Fujishiro, T. Saito, M. Takano, Fujio Izumi, T. Kamiyama, Takushi Ikeda. Structural Study of the Quantum-Spin Chain Compound (VO)2P2O7, J. Solid State Chem.,, Vol. 146, pp. 369-379, 1999.
• S Ohsugi, Y. Tokunaga, K. Ishida, Y. Kitaoka, M. Azuma, Yoshie Fujishiro, M. Takano. Impurity-Induced Staggered Polarization and Antiferromagnetic Order in Spin-1/2 Heisenberg Two-Leg Ladder Compound SrCu2O3: Extensive Cu NMR and NQR Studies, Phys. Rev. B, Vol. 60, No. 6, Page 4181-4190, 1999.
• S. Ohsugi, Y. Kitaoka, You Tokunaga, K. Ishida, M. Azuma, Y. Fujishiro, M. Takano. Impurity Effect of the Spin-Ladder System SrCu2O3, Physica B, Vol. 259-261, Page 1040-1041, 1999.
• D.A.V. Griend, Sophie Boudin, K.R. Poeppelmeier, M. Azuma, Hiroshi Toganoh, M. Takano. High Pressure Transformation of La4Cu3MoO12 to a Layered Perovskite, J. Am. Chem. Soc., Vol. 120, No. 44, pp. 11518-11519, 1998.
• M. Azuma, Y. Fujishiro, M. Takano, M. Nohara, ひでのり たかぎ, S. Ohsugi, Y. Kitaoka, R.S. Eccleston. Impurity Effects on a Two-Leg Spin Ladder Compound SrCu2O3, J. Mag. Mag. Mat.,, Vol. 177-181, P, 655-656, 1998.
• N. Fujiwara, H. Yasuoka, Y. Fujishiro, M. Azuma, M. Takano. Nuclear Magnetic Resonance in the Ladder System Sr(ZnxCu1-x)2O3, J. Mag. Mag. Mat., Vol. 177-181, PartⅠ, pp. 655-656, 1998.
• N. Fujiwara, Hiroshi Yasuoka, Y. Fujishiro, M. Azuma, M. Takano. NMR Study of Zn Doping Effect in Spin Ladder System SrCu2O3, Phys. Rev. Lett., Vol. 80, No. 3, pp. 604-607, 1998.
• M. Azuma, M. Takano, R.S. Eccleston. Disappearance of the Spin Gap in a Zn-Doped 2-Leg Ladder Compound Sr(Cu1-xZnx)2O3, J. Phys. Soc. Jpn., Vol. 67, No. 3, Page 740-743, 1998.
• M. Azuma, Kaimori Shingo, M. Takano. High-Pressure Synthesis and Magnetic Properties of Layered Double Perovskites Ln2CuMO6 (Ln=La, Pr, Nd, and Sm; M=Sn and Zr), Chem. Mater., Vol. 10, No. 10, Page 3124-3130, 1998.
• H. Schwenk, D. König, S. Schmidt, M. Sieling, W. Palme, B. Lüthi, S. Zvyagin, R.S. Eccleston, M. Azuma, M. Takano. Magnetic Resonances in Spin Ladder Systems (VO)2P2O7, SrCu2O3 and Sr2Cu3O5, Physica B, Vol. 237-238, pp. 115-116, 1997.
• M. Takano, M. Azuma, Y. Fujishiro, M. Nohara, H. Takagi, Naoki Fujiwara, H. Yasuoka, Shigeki Osugi, Y. Kitaoka, R.S. Eccleston. Impurity Effects on a 2-Leg Spin Ladder Compound SrCu2O3, Physica C, Vol. 282-287, PartⅠ, pp. 149-152, 1997.
• 改森信吾, 川崎修嗣, 東正樹, 高野幹夫. Ln2CuSnO6 (Ln=La, Pr, Nd, Sm)の高圧合成, 粉体および粉末冶金, Vol. 44, No. 2, pp. 127-131, 1997.
• M. Azuma, Y. Fujishiro, M. Takano, Minoru Nohara, ひでのり たかぎ. Switching of the Gapped Single Spin-Liquid State to an Antiferromagnetically Ordered State in Sr(Cu1-xZnx)2O3, Phys. Rev. B,, Vol. 55, No. 14, pp. R8658-R8661, 1997.
• Hiroshi Kageyama, Kazuyoshi Yoshimura, K Kosuge, M. Azuma, M. Takano, H Mitamura, Tomohiro Goto. Magnetic Anisotropy of Ca3Co2O6 with Ferromagnetic Ising Chains, J. Phys. Soc. Jpn.,, Vol. 66, No. 12, pp. 3996-4000, 1997.
• R.S. Eccleston, M. Azuma, M. Takano. Neutron-Scattering and Susceptibility Study of Spin Chains and Spin Ladders in (Sr0.8Ca0.2)14Cu24O4, Phys. Rev. B, Vol. 53, No. 22, Page R14721-R14724, 1996.
• K. Ishida, Y Tokunaga, Y. Kitaoka, K. Asayama, M. Azuma, Z. Hiroi, M. Takano. Antiferromagnetic Nuclear Resonance of Cu in Infinite-Layer Compounds, SrCuO2 and Ca0.9Sr0.1CuO2 -Comparison between Hyperfine Coupling Constant in a CuO2 Plane and in a Spin-Ladder System-, J. Phys. Soc. Jpn., Vol. 65, No. 1, Page 329-330, 1996.
• Yoshio Oka, Takeru Yao, Naokazu Yamamoto, Yutaka Ueda, Syuji Kawasaki, M. Azuma, M. Takano. Hydrothermal Synthesis, Crystal Structure, and Magnetic Properties of FeVO4-II, J. Solid State Chem., Vol. 123, No. 1, pp. 54-59, 1996.
• K. Ishida, Y. Kitaoka, Y. Tokunaga, S Matsumoto, K. Asayama, M. Azuma, Z. Hiroi, M. Takano. Spin Correlation and Spin Gap in Quasi-One-Dimensional Spin-1/2 Cuprate Oxides: A 63Cu NMR Study, Phys. Rev. B, Vol. 53, No. 5, Page 2827-2834, 1996.
• Kenji Kojima, Keren A., Luke G.M., Nachumi B., Wu W.D., Uemura Y.J, M. Azuma, M. Takano. Magnetic Behavior of the 2-Leg and 3-Leg Spin Ladder Cuprates Srn-1Cun+1O2n, Phys. Rev. Lett., Vol. 74, No. 14, pp. 2812-2815, 1995.
• M. Azuma, Z. Hiroi, M. Takano, K. Ishida, Y. Kitaoka. Observation of a Spin Gap in SrCu2O3 Comprising Spin-1/2 Quasi-1D Two-Leg Ladders, Physical Review Letters, Vol. 73, No. 25, pp. 3463-3466, Nov. 1994.
• 東正樹, 広井善二, 高野幹夫, 北岡良雄, 石田憲二. 擬一次元Srn-1Cun+1O2n (n=3, 5) の高圧合成とスピンギャップ, 粉体および粉末冶金, Vol. 41, No. 12, pp. 1464-1468, 1994.
• Hiroki Takahashi, N Mori, M. Azuma, Z. Hiroi, M. Takano. Effect of Pressure on Tc of Hole- and Electron-Doped Infinite-Layer Compounds up to 8 GPa, Physica C, Vol. 227, No. 3&4, Page 395-398, 1994.
• Kenji Ishida, Yoshio Kitaoka, K Asayama, M. Azuma, Z. Hiroi, M. Takano. Spin Gap Behavior in Ladder-Type of Quasi-One-Dimensional Spin (S=1/2) System SrCu2O3, J. Phys. Soc. Jpn., Vol. 63, No. 9, Page 3222-3225, 1994.
• Z. Hiroi, Kazunari Yamaura, M. Azuma, M. Takano. High-Resolution Electron Microscopy Study of the Alkaline-Earth Cupric Oxides and Oxide Carbonates, Physica C,, Vol. 235-240, Part II, Page 1005-1006, 1994.
• M. Takano, Z. Hiroi, M. Azuma. Superconductivity in the Alkaline Earth-Copper-Oxygen System with Tc=110K, Applied Superconductivity, Vol. 1, 3-6, 479-485, May 1993.
• Zenji Hiroi, Masaki Azuma, Mikio Takano, Yasuo Takeda. Structure and Superconductivity of the Infinite-Layer Compound (Ca1-ySry)1-xCuO2-z, Physica C, Vol. 208, No. 3&4, Page 286-296, 1993.
• 東正樹, 池田成明, 広井善二, 高野幹夫, 坂東尚周, 大高理, 山中高光, 武田保雄. 無限層構造をとる超伝導体の高圧合成, 粉体および粉末冶金, Vol. 40, No. 2, 179-182, 1993.
• Nariaki Ikeda, Zenji Hiroi, Masaki Azuma, Mikio Takano, Yoshichika Bando, Yasuo Takeda. Synthesis and Superconducting Properties of the Infinite-Layer Compounds Sr1-xLnxCuO2 (Ln=La, Nd, Sm, Gd), Physica C, Vol. 210, No. 3&4, Page 367-372, 1993.
• Zenji Hiroi, Mikio Takano, Masaki Azuma, Yasuo Takeda. A New Family of Copper Oxide Superconductors Srn+1CunO2n+1+ Stabilized at High Pressure, Nature, Vol. 364, No. 6435, Page 315-317, 1993.
• Masaki Azuma. Oxygen Dope in Bismuth and Lead Substituted Lanthanum Copper Oxides by Electrochemical and Oxygen-Hip Methods, Mat. Res. Bull., 28, 8, 775-783, 1993.
• 武田保雄, 冨田 英也, 向井 保雄, 今西 誠之, 山本治, 東正樹, 高野幹夫. La2CuO4及びLa2-xAxCuO4（A=Bi, Pb）の電極酸化による酸素ドープ, 粉体および粉末冶金, Vol. 40, No. 2, pp. 146-150, 1993.
• H. Ohta, Nobuyasu Yamauchi, Mitsuhiro Motokawa, Masaki Azuma, Mikio Takano. Submillimeter Wave ESR of SrCuO2 and Sr2CuO3, J. Phys. Soc. Jpn., Vol. 61, No. 9, Page 3370-3376, 1992.
• 広井善二, 東正樹, 高野幹夫, 坂東尚周, 武田保雄. 無限層超伝導体A1-xCuO2-zの構造, 粉体および粉末冶金, Vol. 39, No. 9, pp. 718-721, 1992.
• 東正樹, 広井善二, 高野幹夫, 坂東尚周, 武田保雄, 山本治, 大高理, 久米昭一, 山中高光. アルカリ土類−銅酸化物超伝導体の高圧合成, 粉体および粉末冶金, Vol. 39, No. 5, pp. 337-340, 1992.
• Masaki Azuma, Zenji Hiroi, Mikio Takano, Yoshichika Bando, Yasuo Takeda. Superconductivity at 110K in the Infinite-Layer Compound (Sr1-xCax)1-yCuO2, Nature, Vol. 356, No. 6372, Page 775-776, 1992.
• Mikio Takano, Masaki Azuma, Zenji Hiroi, Yoshichika Bando, Yasuo Takeda. Superconductivity in the Ba-Sr-Cu-O System, Physica C, Vol. 176, No. 4-6, Page 441-444, 1991.
• Zenji Hiroi, Masaki Azuma, Mikio Takano, Yoshichika Bando. A New Homologous Series Srn-1Cun+1O2n Found in the SrO-CuO System Treated under High Pressure, J. Solid State Chem., 95, 1, page 230-238, 1991.
• Zenji Hiroi, Mikio Takano, Masaki Azuma, Yasuo Takeda, Yoshichika Bando. A New Superconducting Cupric Oxide Found in the Sr-Cu-O System, Physica C, Vol. 185-189, Part I, Page 523-524, 1991.

著書

• Masaki Azuma, Ikuya Yamada, Kazunari Yamaura, Alexei A Belik, Takafumi Yamamoto, Masayuki Fukuda. High pressure studies of transition metal oxides, Comprehensive Inorganic Chemistry III, ELSEVIER, 2022.
• 東 正樹. 熱膨張制御材料の開発と応用 第一章｢無機材料の熱膨張と負熱膨張材料｣, 熱膨張制御材料の開発と応用, Jan. 2018.
• Masaki Azuma, Osamu Ohtaka, Nobuhiro Kumada. High-Pressure Synthesis of Solids, Encyclopedia of Inorganic and Bioinorganic Chemistry, John Wiley & Sons, Ltd, Sept. 2014.
• 東 正樹. 電子強相関系酸化物と構造物性, 日本の結晶学（Ⅱ） その輝かしい発展, 日本結晶学会, 第1部, 第2章, pp. 104-105, July 2014.
• 東 正樹. 化学便覧 応用科学編 １４．６．１熱機能セラミックス（熱膨張抑制セラミックス）, 化学便覧 応用科学編, 日本化学会, Vol. 2, No. 14.6.1, pp. 836-838, Jan. 2014.
• 東正樹. 9.9 固液平衡と共融混合物, 化学便覧基礎編, 丸善, Vol. Ⅱ, pp. 194-198, 2004.
• S. Okubo, K. Hazuki, T. Sakurai, H. Ohta, H. Yoshida, M. Azuma, M. Takano. Millimeter and Submillimeter wave ESR Measurement of Spin Ladder System Sr(Cu1-xZnx)2O3, EPR in the 21st Century, Elsevier Science B.V, pp. 747-750, 2002.
• M. Takano, Z. Hiroi, M. Azuma, S. Kawasaki, Ryoji KANNO, T. Takeda. Novel Transition Metal Oxides Prepared at High Pressure and Their Electronic Properties, Physics and Chemistry of Transiton-Metal Oxides, Solid-State Sciences, Springer-Verlag, Vol. 125, pp. 279-288, 1999.
• M. Takano, Z. Hiroi, M. Azuma, Y. Takeda. Application of High Pressure and High Oxygen Pressure to Cu-Oxides, Chemistry of High Temperature Superconductors, pp. 243-266, 1991.

国際会議発表 (査読有り)

• Masaki Azuma. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, Materials Science,Engineering and Technology, 2024.
• Masaki Azuma. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, Materials Science,Engineering and Technology, 2024.
• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Takuma Itoh. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, The 14th APCTP Workshop on Multiferroics, 2024.
• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Takuma Itoh. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, The 14th APCTP Workshop on Multiferroics, 2024.
• Takumi Nishikubo, Yuki Sakai, Masaichiro Mizumaki, Shogo Kawaguchi, Norihiko Oshime, Kento Sugawara, Ayumi Shimada, Kenji Ohwada, Akihiko Machida, Tetsu Watanuki, Kosuke Kurushima, Shigeo Mori, Takashi Miokawa, Masaki Azuma. Transition-type PbVO₃ Based Negative Thermal Expansion Materials, International Conference on Powder and Powder Metallurgy(JSPMIC2023), 2024.
• Yuki Sakai, Shiori Kihara, Shogo Wakazaki, Takumi Nishikubo, Masayuki Fukuda, Hena Das, Masaichiro Mizumaki, Ko Mibu, Akihiko Machida, Tetsu Watanuki, Masaki Azuma. Systematic charge distribution change in perovskite-type Bi_0.5Pb_0.5MO₃ (M = 3d transition metal), The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4), 2024.
• Yuki Sakai, Masaki Azuma. A-site and B-site charge ordering in perovskite-type PbCoO₃, Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23), 2024.
• Takumi Nishikubo, Takashi Imai, Yuki Sakai, Masaichiro Mizumaki, Shogo Kawaguchi, Norihiro Oshime, Ayumu Shimada, Kento Sugawara, Kenji Ohwada, Akihiko Machida, Tetsu Watanuki, Kosuke Kurushima, Shigeo Mori, Takashi Mizokawa, Masaki Azuma. Domain structure observation and design of phase transition-type negative thermal expansion materials, The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4), 2024.
• Takumi Nishikubo, Yuki Sakai, Kengo Oka, Masaichiro Mizumaki, Tetsu Watanuki, Takashi Mizokawa, Masaki Azuma. Systematic charge distribution changes in Bi、Pb-3d transition metal perovskite oxides, Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23), 2024.
• Hena Das, Masaki Azuma. Understanding the mechanisms responsible for the anisotropic thermal expansion in Ca₂RuO₄ ruthenates through quantum mechanical calculations, The 4th International Symposium on Negative Thermal Expansion and Related Materials (ISNTE-4), 2024.
• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Takuma Itoh, Ko Mibu. Magnetization reversal by electric field in Co substituted BiFeO₃, Spin-Orbital-Lattice correlations induced phenomena in emerging materials (SOLC23), 2024.
• Masaki Azuma. UNUSUAL CHARGE DISTRIBUTION AND PHYSICAL PROPERTIES INDUCED BY BI,PB 6S ELECTRONS, SIPS2023 Sustainability through Science &Technology, 2023.
• Masaki Azuma, Kei Shigematsu, Hajime Hojo, Keisuke Shimizu, Ko Mibu. Magnetization Reversal by Electric Field in Co Substituted BiFeO₃, PACRIM15・CICC-13, 2023.
• Masaki Azuma. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, The 14th APCTP Workshop on Multiferroics, 2023.
• Masaki Azuma. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, Materials Science,Engineering and Technology2023, 2023.
• Masaki Azuma. Magnetization reversal by electric field at room temperature in Co substituted bismuth ferrite thin film, Materials Science,Engineering and Technology2023, 2023.
• Masaki Azuma. Giant negative thermal expansion materials, THERMEC2023, 2023.
• Takuya Ohmi, Tomoaki Miura, Tadaaki Ikoma, Masaki Azuma, Takafumi Yamamoto. Structural and Photophysical Properties of Organic–Inorganic Hybrid Perovskite Containing Thiocyanate Anion, The 5th International Union of Materials Research Societies International Conference of Young Researchers on Advanced Materials, 2022.
• Masaki Azuma. Giant Negative Thermal Expansion Materials, International Workshop on Physics and Chemistry of Electronic Materials, 2022.
• Koomok Lee, Kei Shigematsu, Das Hena, Masaki Azuma. Exploring the Correlation Between the Spin-State Configuration and the Magnetic Order in Co-Substituted BiFeO₃, 2022 MRS FALL MEETING, 2022.
• Takuma Itoh, Marin Katsumata, Kei Shigematsu, Masaki Azuma. Magnetization Reversal in BiFe0.9Co0.1O3 Thin Films 2 -Control of Ferroelectric and Ferromagnetic Domains by Trailing Fields-, 2022 MRS FALL MEETING, 2022.
• Kei Shigematsu, Keisuke Shimizu, Ryo Kawabe, Hajime Hojo, Haruki Shimizu, Marin Katsumata, Hajime Yamamoto, Ko Mibu, Masaki Azuma. Magnetization Reversal in BiFe_0.9Co_0.1O₃ Thin films 1 -Spin Structure and Magnetization Reversal by Electric Field at Room Temperature in Co-Substituted Bismuth Ferrite Thin Film, 2022 MRS FALL MEETING, 2022.
• Takumi Nishikubo, Takashi Imai, Yuki Sakai, Masaichiro Mizumaki, Shogo Kawaguchi, Norihiro Oshime, Ayumu Shimada, Kento Sugawara, Kenji Ohwada, Akihiko Machida, Tetsu Watanuki, Kosuke Kurushima, Shigeo Mori, Takashi Mizokawa, Masaki Azuma. Domain Structure Observation and Design of Phase Transition-type Negative Thermal Expansion Materials, 15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15), 2022.
• Kei Shigematsu, Takuma Itoh, Marin Katsumata, Masaki Azuma. Magnetization reversal by electric field in Co-substituted BiFeO3 under a control of domains by trailing fields, 15th International Symposium on Ferroic Domains & Micro- to Nano-scopic Structures (ISFD-15), 2022.
• Masaki Azuma, Kei Shigematsu, Keisuke Shimizu, Takuma Ito, Marin Katsumata, Keita Ozawa, Hajime Hojo, Ko Mibu. MAGNETIZATION REVERSAL BY ELECTRIC FIELD AT ROOM TEMPERATURE IN Co SUBSTITUTED BISMUTH FERRITE THIN FILM, International Materials Research Congress 2022, 2022.
• Masaki Azuma. Giant Negative Thermal Expansion Materials, New Energy Chemistry and Device Seminar 2022, 2022.
• Masaki Azuma. Magnetization Reversal by Electric Field at Room Temperature in Co Substituted Bismuth Ferrite Thin Film, CIMTEC, 2022.
• Masaki Azuma. Magnetization Reversal by Electric Field at Room Temperature in Co Substituted Bismuth Ferrite Thin Film, CIMTEC, 2022.
• Kei Shigematsu, Keita Ozawa, Marin Katsumata, Masaki Azuma. Observation of ferroelectric and ferromagnetic domains of BiFe_0.9Co_0.1O₃ nanodot array by using anodic porous alumina mask, MATERIALS RESEARCH MEETING(MRM)2021, 2021.
• Masaki Azuma. Giant Negative Thermal Expansion Materials Derived from Pressure Induced Phase Transitions, ACHPR, 2021.
• Masaki Azuma, Kei Shigematsu, Keisuke Shimizu, Takuma Ito, Marin Katsumata, Keita Ozawa, Hajime Hojo, Ko Mibu. MAGNETIZATION REVERSAL BY ELECTRIC FIELD AT ROOM TEMPERATURE IN Co SUBSTITUTED BISMUTH FERRITE THIN FILM, International Materials Research Congress 2022, 2021.
• Liu Qiu Min, Shogo Wakazaki, Takumi Nishikubo, Kei Shigematsu, Takafumi Yamamoto, Naoki Matsui, Kota Suzuki, Ryoji Kanno, Randy Jalem, Yoshitaka Tateyama, Masaki Azuma. Structure change and Li-ion conductivity of layered anti-perovskite Li₄OBr_2-xI_x, STAC12, 2021.
• Koomok Lee, Keita Ozawa, Hena Das, Masaki Azuma. Theoretical investigations of the origin of canted ferromagnetism in Co doped BiFeO₃ multife, STAC12, 2021.
• Shiori Kihara, Shogo Wakazaki, Yuki Sakai, Takumi Nishikubo, Masaki Azuma. Charge distribution change in perovskite Bi_0.5Pb_0.5MO₃ (M=3d transition metal), STAC12, 2021.
• Jinya Suzuki, Takafumi Yamamoto, Masaki Azuma, Takumi Nishikubo. Single crystal growth of perovskite oxyhydride under high pressure, STAC12, 2021.
• Lei Hu, Koshi Takenaka, Masaki Azuma. Origin and Absence of Giant Negative Thermal Expansion in Ca₂RuO₄, STAC12, 2021.
• Masaki Azuma. Magnetization Reversal by Electric Field at Room Temperature in Co Substituted BiFeO₃ Thin Film, The 6th International Symposium on Advanced Ceramics, Mar. 2018.
• Masaki Azuma. Negative Thermal Expansions induced by Phase Transitions, ISNTE-II, Dec. 2017.
• Masaki Azuma. Room Temperature Ferromagnetism in Co Substituted BiFeO₃ Induced by Spin Structure Change, The 6th Toyota RIKEN International Workshop 2017, Nov. 2017.
• 東 正樹. Magnetization Reversal by Electric Field at Room Temperature in Co Substituted BiFeO₃ Thin Film, The 9th APCTP Workshop on Multiferroics, Nov. 2017.
• Masaki Azuma. Systematic Charge Distribution Change in Bi, Pb - 3d Transition Metal Perovskites, IRMRS-ICAM, Aug. 2017.
• M. Azuma, H. Hojo, R. Kawabe, K. Shimizu, H. Yamamoto, K. Mibu, K. Samanta, T. Saha-Dasgupta. Room temperature ferromagnetism in Co substituted BiFeO₃ induced by spin structure change, Indo-US Bilateral Workshop on Physics and Chemistry of Oxides: Theory meets Experiment, Jan. 2017.
• Masaki Azuma. Systematic Charge Distribution Change in Bi, Pb-3d Transition Metal Perovskites, Indo-Japan Conference on Emergent phenomena in transition-metal compounds and related materials, Mar. 2016.
• Masaki Azuma. Systematic Charge Distribution Change in BiMO₃ and PbMO₃ (M: 3d transition metal), Pacifichem 2015, Dec. 2015.
• Masaki Azuma. Systematic Charge Distribution Change in Bi, Pb - 3d Transition Metal Perovskites, International Symposium on Negative Thermal Expansion and Related Materials, Oct. 2015.
• Takekazu Ishida, Takeshi Mikayama, Kiichi Okuda, M. Azuma, Z. Hiroi, M. Takano. Complex Susceptibility of Infinite-Layer Superconductor (Sr0.7Ca0.3)0.95CuO2-x, the 7th International Symposium on Superconductivity (ISS'94), Advances in Superconductivity VII, pp. 523-526, 1995.
• Z. Hiroi, M. Azuma, Y. Takeda, M. Takano. Curpic Oxide Superconductors in the Sr-Cu-O System, the 6th International Symposium on Superconductivity (ISS'93), Advances in Superconductivity VI, Vol. 1, pp. 285-290, 1994.
• Z. Hiroi, M. Azuma, M. Takano, Y. Takeda. Mechanism of Carrier Doping in the Superconducting Infinite-Layer Compound A1-xCuO2-z (A=Ca1-ySry), Proceedings of the 5th International Symposium on Superconductivity (ISS'92), Advances in Superconductivity V, pp. 211-214, 1993.
• M. Takano, Z. Hiroi, M. Azuma. Superconductivity in the Infinite-Layer Phase Stabilized Under High Pressure, the International Winter School, Electronic Properties of High-Tc Superconductors Springer Series in Solid-State Sciences, Vol. 113, pp. 13-18, 1993.

国内会議発表 (査読有り)

• 酒井雄樹, Sergey A. Nikolaev, 西久保匠, 中島宏, 森茂生, 町田晃彦, 綿貫徹, 沖本洋一, 松田雅昌, 東正樹. ペロブスカイト型酸化物PbCoO₃の温度誘起相転移, 日本セラミックス協会2024年年会, 2024.
• Koomok Lee, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azum. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃, Materials Research Society of Japan 2023/ the International Union of Materials Research Societies 2023 (MRM2023/IUMRS-ICA2023), 2024.
• Koomok Lee, Hena Das, Yuki Sakai, Takumi Nishikubo, Kei Shigematsu, Daiki Ono, Takehiro Koike, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO3, The 22nd Japan-Korea-Taiwan Symposium on Strongly Correlated Electron Systems (JKT22), 2024.
• Hena Das, Masaki Azuma. Anisotropic thermal expansion phenomena in Ca2RuO4 type systems, 日本セラミックス協会2024年年会, 2024.
• 酒井雄樹, Sergey A. Nikolaev, 西久保匠, 中島宏, 森茂生, 町田晃彦, 綿貫徹, 沖本洋一, 松田雅昌, 東正樹. ペロブスカイト型酸化物PbCoO₃の温度誘起相転移, 第64回高圧討論会, 2024.
• HENA DAS, Masaki Azuma. Mechanism of anisotropic thermal expansion phenomena in Ca₂RuO₄, 第62回セラミックス基礎科学討論会, 2024.
• 小池 剛大, 西久保 匠, 酒井 雄樹, 東 正樹. K₂NiF₄型化合物Sr₂CrO₄・Sr₂CoO₄の高圧合成と熱膨張評価, 第62回セラミックス基礎科学討論会, 2024.
• 小池 剛大, 西久保 匠, 酒井 雄樹, 東 正樹. K₂NiF₄型化合物Sr₂CrO₄・Sr₂CoO₄の高圧合成と熱膨張評価, 第62回セラミックス基礎科学討論会, 2024.
• 小野 大樹, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹. マルチフェロイック物質BiFeO₃の４ｄ、５ｄ元素置換による弱強磁性化, 日本セラミックス協会2023年年会, 2023.
• 池田 政仁, 劉 丘民, 東 正樹, Jalem Randy, 館山 佳尚, 桑田 直明. Li₃BO₃-Li₃PO₄-Li₂SO₄ 3 元系 LISICON 型固体電解質の合成と特性評価, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• 重松 圭, 勝俣 真綸, 伊藤 拓真, 小澤 慶太, 清水 陽樹, 清水 啓佑, 東 正樹. Bi(Fe, Co)O₃の面内電場印加によって生じる磁気ドメイン変化の観察, 第33回日本MRS学会, 2023.
• 西久保匠, 今井孝, 酒井雄樹, 水牧仁一朗, 河口彰吾, 押目典宏, 島田歩, 菅原健人, 大和田謙二, 町田晃彦, 綿貫徹, 久留島康輔, 森茂生, 溝川貴司, 東正樹. PbVO₃の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察, 日本物理学会第78回年次大会, 2023.
• LEE KOOMOK, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃ , MRM2023/IUMRS-ICA2023, 2023.
• 柴田 勇介, 吉田 駿之介, 西久保 匠, 酒井 雄樹, 東 正樹. 高エントロピー効果によるBサイト置換BiNiO₃の負熱膨張の拡大, 第33回日本MRS年次大会, 2023.
• 東正樹. ビスマス、鉛-3d遷移金属ペロブスカイト酸化物の系統的な電荷分布変化, 第33回日本MRS年次大会, 2023.
• 劉 丘民, 西久保 匠, 酒井 雄樹, Hena Das, 壬生 攻, 尾上 智子, 川上 隆輝, 町田 晃彦, 綿貫 徹, 東 正樹. PbFeO₃の圧力誘起相転移, 第64回高圧討論会, 2023.
• 小野 大樹, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹. マルチフェロイック物質 BiFeO₃ の 4d,5d 元素置換による弱強磁性化, 粉体粉末冶金協会2023年度秋季大会, 2023.
• 三宅 潤, 小池 剛大, 西久保 匠, 酒井 雄樹, 東 正樹. 非晶質前駆体を用いたK₂NiF₄型負熱膨張材料の合成および探索, 粉体粉末冶金協会2023年度秋季大会, 2023.
• Koomok Lee, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃, The 14th APCTP Workshop on Multiferroics, 2023.
• Qiumin Liu, Hena Das, Takumi Nishikubo, Yuki Sakai, Ko Mibu, Tomoko Onoue, Takateru Kawakami, Tetsu Watanuki, Akihiko Machida, Masaki Azuma. Phase transition of PbFeO₃ under high pressure, JSPM International Conference on Powder and powder Metallirgy（JSPMIC2023）, 2023.
• 長瀬 鉄平, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹, 山本 隆文. カチオン秩序型ペロブスカイト酸化物 SrV_0.3Fe_0.7O₃の合成と物性評価, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• 小菅 大輝, 河口 彰吾, 小林 慎太郎, 横山 優一, 水牧 仁一朗, 細川 三郎, 東 正樹, 山本 隆文. 時分割 XRD 測定とベイズ推定を用いた SrCrO_3–δ における先端反応解析, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• 高橋 一樹, 酒井 雄樹, 西久保 匠, 東 正樹. PbTiO₃型巨大正方晶歪みを持つ BiCoO₃の負熱膨張物質化, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• 西久保 匠, 今井 孝, 酒井 雄樹, 水牧 仁一朗, 河口 彰吾, 押目 典宏, 島田 歩, 菅原 健人, 大和田 謙二, 町田 晃彦, 綿貫 徹, 久留島 康輔, 森 茂生, 溝川 貴司, 東 正樹. PbVO₃の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• 栃沢 晴希, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹, 山本 隆文. 圧力を利用した酸水素化物におけるアニオン配列の制御, 日本セラミックス協会第35回秋季シンポジウム, 2023.
• 劉丘民, 西久保匠, 酒井雄樹, Hena Das, 壬生攻, 尾上智子, 川上隆輝, 町田晃彦, 綿貫徹, 東正樹. PbFeO₃の圧力誘起相転移, 粉体粉末冶金協会2023年度春季, 2023.
• 吉田駿之介, 西久保匠, 酒井雄樹, 東正樹. BiNiO₃系負熱膨張材料の動作温度範囲の制御, 粉体粉末冶金協会2023年度春季, 2023.
• 高橋一樹, 酒井雄樹, 久保匠, 東正樹. PbTiO₃型巨大c/a相BiCoO₃の負熱膨張化の試み, 粉体粉末冶金協会2023年度春季, 2023.
• 重松圭, 長瀬泰仁, 伊藤拓真, 東正樹. 陽極酸化アルミナマスクの孔径変化によるCo置換BiFeO₃の強誘電・強磁性ドメイン変化, 第40回強誘電体会議, 2023.
• 劉 丘民, 西久保 匠, 酒井 雄樹, ヘナ ダス, 壬生 攻, 尾上 智子, 川上 隆照, 町田 晃彦, 綿貫 徹, 東 正樹. PbFeO₃の圧力誘起相転移, 日本セラミックス協会2023年年会, 2023.
• 東 正樹. 巨大負熱膨張材料の高圧合成, 第9回愛媛大学先進超高圧科学研究拠点（PRIUS)シンポジウム, 2023.
• 酒井 雄樹, 木原 汐里, 若崎 翔吾, 西久保 匠, 福田 真幸, 水牧 仁一郎, 東 正樹. ペロブスカイト型酸化物Bi_0.5Pb_0.5MO₃（M = 3d遷移金属）の系統的な電荷分布変化, 第63回高圧討論会, 2023.
• 酒井 雄樹, 松野 夏奈, 西久保 匠, 東 正樹. ペロブスカイト型酸化物 PbCr_1-xTi_xO₃ の負熱膨張, 粉体粉末冶金協会2023年度秋季大会, 2023.
• LEE KOOMOK, 重松 圭, 東 正樹. Co置換BiFeO₃薄膜上へのInSb ホールセンサの製作, 日本セラミックス協会 第35回秋季シンポジウム, 2022.
• 大見拓也, 東正樹, 山本隆文. (FA)PbI₃ に対するチオシアン酸アニオンの置換効果, 日本セラミックス協会 第 35 回秋季シンポジウム, 2022.
• 伊藤 龍寿, 大見 拓也, 西久保 匠, 酒井 雄樹, 重松 圭, 東 正樹, 山本 隆文. Co²⁺を利用したチオシアン酸アニオンを含む新規有機-無機ハイブリッド化合物 の構造と磁性, 日本セラミックス協会 第 35 回秋季シンポジウム, 2022.
• 西久保 匠, 若崎 翔吾, 山本 樹, 酒井 雄樹, DAS Hena, 町田 晃彦, 綿貫 徹, 東 正樹. Design and Domain Structure Observation of Phase Transition-type Negative Thermal Expansion Materials, 第32回日本MRS年次大会, 2022.
• 岡島 慈英, 東 正樹, 重松 圭. マルチフェロイックBiFe_0.9Co_0.1O₃薄膜のデバイス化に向けたフォトリソグラフィによるナノドット作製, 粉体粉末冶金協会2022年度秋季大会, 2022.
• 西久保 匠, 酒井 雄樹, 東 正樹. 複数メカニズムの共存による負熱膨張特性の強化, 粉体粉末冶金協会2022年度秋季大会, 2022.
• 伊藤 拓真, 重松 圭, 東 正樹. (110)配向マルチフェロイックBiFe_0.9Co_0.1O₃薄膜の面内 電場印加による強誘電性・強磁性ドメイン構造変化, 第83回応用物理学会秋季学術講演会, 2022.
• LEE KOOMOK, 重松 圭, 東 正樹. Co 置換BiFeO₃上へのInSb 磁気センサ薄膜の製作, 第83回応用物理学会秋季学術講演会, 2022.
• 酒井 雄樹, 西久保 匠, ダス ヘナ, 東 正樹, 水牧 仁一郎, 溝川 貴司, 町田 晃彦, 綿貫 徹, 沖本 洋一. 放射光を用いたペロブスカイト型酸化物Bi_1-xPb_xNiO₃の負熱膨張メカニズムの解明, 日本セラミックス協会第35回秋季シンポジウム, 2022.
• 西久保匠, 若崎 翔吾, 山本 樹, 酒井 雄樹, DAS Hena, 町田 晃彦, 綿貫 徹, 東 正樹. ペロブスカイト PbMnO₃の局所構造と電荷秩序状態の解明, 日本セラミックス協会第35回秋季シンポジウム, 2022.
• 小池 剛大, 西久保 匠, 酒井 雄樹, 東 正樹. PbTiO₃ 型ペロブスカイト酸化物Bi_0.5+xNa_0.5-xVO₃の負熱膨張, 日本セラミックス協会第35回秋季シンポジウム, 2022.
• 伊藤 拓真, 重松 圭, 東 正樹. 強誘電性・強磁性を併せ持つBiFe_0.9Co_0.1O₃薄膜のWater printing による面外分極反転とドメイン制御, 2022.
• Koomok Lee, 重松 圭, 東 正樹. Co 置換BiFeO₃上へのInSb磁気センサ薄膜の製作, 第39回強誘電体応用会議（FMA39）, 2022.
• 小池 剛大, 東 正樹, 西久保 匠, 酒井 雄樹. PbTiO₃ 型ペロブスカイト酸化物Bi_0.5+xNa_0.5-xVO₃の負熱膨張, 粉体粉末冶金春季大会, 2022.
• 酒井雄樹, 木原汐里, 若崎翔吾, 西久保匠, 福田真幸, 水牧仁一郎, 東正樹. ペロブスカイト型酸化物 Bi_0.5Pb_0.5MO₃(M=3d 遷移金属)の電荷分布変化, 日本物理学会, 2022.
• 長瀬 鉄平, 西久保 匠, 重松 圭, 東 正樹, 山本 隆文, 壬生 攻, 南部 雄亮, 池田 陽一, 松田 雅昌. (111)面に酸素欠損が秩序化したペロブスカイト型酸化物の合成・同定, 日本セラミックス協会 2022年年会, 2022.
• 伊藤 拓真, 重松 圭, 東 正樹. Water printingによる マルチフェロイックBiFe_0.9Co_0.1O₃ 薄膜 の面外分極反転と強誘電性・強磁性 ドメイン制御, 第69回応用物理学会春季学術講演会, 2022.
• 鈴木仁哉, 西久保匠, 酒井雄樹, Pan Zhao, 齋藤寛之, 東正樹, 山本隆文. フラックスを用いたバナジウム酸水素化物の高圧合成と反応経路のその場観察, 日本セラミックス協会 第60回基礎科学討論会, 2022.
• Takuya Ohmi, Tomoaki Miura, Tadaaki Ikoma, Masaki Azuma, Takafumi Yamamo. Structural Transition and Photophysical Properties of Mixed-Anion Layered Perovskite: (MA)₂Pb(SCN)₂I_2-xBr_x (0 ≤ x < 1.6), STAC12, 2021.
• Koomok Lee, 重松圭, 東正樹. 酸化物基板上へのInSbエピタキシャル薄膜の製作, 応用物理学会秋季学術講演会, 2021.
• 木原 汐里, 酒井 雄樹, 東 正樹, 西久保 匠, 若崎 翔吾. ペロブスカイトBi_0.5Pb_0.5MO₃(M=3d遷移金属)の電荷分布変化, 日本セラミックス協会秋季シンポジウム, 2021.
• 伊藤拓真, 勝俣 真綸, 重松 圭, 東 正樹. 強誘電性・強磁性が共存するBiFe_0.9Co_0.1O₃薄膜のtrailing fieldを用いたドメイン制御, 強誘電体会議FMA38, 2021.
• Kei Shigematsu, Masaki Azuma. Direct Observation of Magnetization Reversal by Polarization Switching inMultiferroic Cobalt-Substituted Bismuth Ferrite Thin Film, 8th International Congress on Ceramics(ICC8), 2021.
• 酒 井雄 樹, 松 野 夏 奈, 西 久 保 匠, 森 茂 生, 中 島 宏, 久 留島 康 輔, 町 田 晃 彦, 綿 貫 徹, 東正 樹. PbCrO₃ の立 方 晶 ― 立方 晶 転 移 に お け る 局 所構 造 の 変 化, 日本結晶学会令和３年度年会, 2021.
• 東 正樹, 清水啓佑, 勝俣真綸, 小澤慶太, 重松 圭, 北條 元, 壬生 攻. Co置換BiFeO₃薄膜における電場印加磁化反転, ナノ討論会, 2021.
• 大見拓也, 東正樹, 山本隆文. 有機-無機ハイブリッド層状ペロブスカイト(MA)₂PbI_2−xBr_x(SCN)₂の合成と構造、光学特性, 第5回固体化学フォーラム研究会, 2021.
• 西久保 匠, 今井 孝, 酒井 雄樹, 水牧 仁一朗, 大和田 謙二, 町田 晃彦, 綿貫 徹, 押目 典宏, 島田 歩, 菅原 健人, 久留島 康輔, 森 茂生, 溝川 貴司, 東 正樹. PbVO₃ の圧力下巨大体積変化を活かした負熱膨張設計と分域構造の観察, 日本物理学会, 2021.
• 酒井雄樹, 西久保匠, 若崎翔吾, 木原汐里, 東正樹. ペロブスカイト型酸化物 Bi_0.5Pb_0.5MO₃ の電荷分布, 第5回固体化学フォーラム研究会, 2021.
• 西久保 匠, 酒井 雄樹, Lalitha K.V., Jürgen Rödel, 東 正樹. 分極・歪みによるBiInO₃-BiZn_1/2Ti_1/2O₃の負熱膨張と強弾性の制御, 結晶学会, 2021.
• 東 正樹, 岡 研吾, 山本 孟, 酒井雄樹. 巨大負熱膨張材料の研究, 粉体粉末冶金秋季大会, 2021.
• 伊藤 拓真, 勝俣 真綸, 重松 圭, 東 正樹. マルチフェロイックBiFe_0.9Co_0.1O₃ 薄膜におけるtrailing fieldを用いた強誘電 性 ・強磁性ストライプドメイン形成と制御, 粉体粉末冶金秋季大会, 2021.
• 大見拓也, 三浦智明, 生駒忠昭, 東正樹, 山本隆文. 層状ハイブリッドペロブスカイト(MA)₂PbI_2−xBr_x(SCN)₂の構造相転移と温度安定, 粉体粉末冶金秋季大会, 2021.
• 東 正樹, 西久保 匠, 酒井 雄樹, 山本 孟, 岡 研吾. Bi,Pb-3d 遷移金属ペロブスカイトの圧力誘起相転移と負熱膨張, 高圧討論会, 2021.
• 西久保 匠, 酒井 雄樹, 水牧 仁一朗, 今井 孝, 東 正樹. 巨大な体積変化を伴う負熱膨張物質の設計, 高圧討論会, 2021.
• Koomok Lee, Kei Shigematsu, Masaki Azuma. Fabric of Epitaxial INSb Thin Film on Various Perovskite Oxide Substrates, 応用物理学会秋季学術講演会, 2021.
• 東 正樹. 巨大負熱膨張材料を用いた熱膨張制御, ニューセラミックス懇話会第245回研究会, 2021.
• 若崎翔吾, 西久保匠, 重松圭, 山本隆文, 東正樹, 松井直喜, 鈴木耕太, 菅野了次, Jalem Randy, 館山佳尚. 層状逆ペロブスカイト型Li4O(Br,F)2の高圧合成とLiイオン伝導, 第46回固体イオニクス会, Dec. 2020.
• 東 正樹. PbCrO₃の電荷ガラスと関連化合物, 豊田理化学研究所・特定課題研究 「多元秩序制御による熱・体積機能の開拓」研究会, Mar. 2018.
• 東 正樹. 多元秩序制御による熱・体積機能の開拓, 金研ワークショップ「多自由度・多階層性が協奏する物質材料システムの科学」, Dec. 2017.
• 東 正樹. 温めると縮むセラミックスを高圧で作る～産業に貢献する負の熱膨張材料～, CSJフェスタ, Oct. 2017.
• 東 正樹. コバルト置換ビスマスフェライトの強磁場磁化過程測定の結果と、その知見を生かした室温強磁性強誘電体の開発、さらには薄膜試料を用いた電場印加磁化反転の実現について, 第４回西日本強磁場科学研究会, Sept. 2017.
• 東 正樹. 負熱膨張フィラー配合による樹脂の体積変化抑制, 高分子の膨張、収縮対策ーメカニズムから分子設計・フィラー配合による抑制法まで, Aug. 2017.
• 東 正樹. ビスマス・鉛ペロブスカイトの多彩な電荷分布と機能, 先端研究本部コロキウム, July 2017.
• 東正樹. Bi・Pbを含むペロブスカイト酸化物の特異な物性とその起源, SPring-8セミナー, Mar. 2016.
• 東正樹. 機能性遷移金属酸化物の高圧下における単結晶育成, 第45回結晶成長国内会議, Oct. 2015.
• 東 正樹. 圧力下中性子回折実験にもとづく巨大負熱膨張物質の開発 —ペロブスカイトBiNiO₃—, CROSSroads ｢物質の構造と機能｣, Sept. 2015.
• 東正樹. 鉛ペロブスカイトの 系統的な電荷分布変化, 日本物理学会2015年秋季大会, Sept. 2015.
• 松田奈瑠美, 于 潤澤, 北條 元, 東 正樹, 岡研吾. 適度な c/a 比を持つ単斜晶 ペロブスカイトBi₂ZnTi_1-xMn_xO₆, 強誘電体応用会議, May 2015.
• 帯刀 信吾, 酒井 雄樹, 藤井 康裕, 是枝 聡肇, 安井 伸太郎, 東 正樹, 田辺 賢土, 寺崎 一郎, 谷口 博基. 強誘電性シリケートBi2SiO5のLa置換効果, 日本物理学会第72回年次大会.

国際会議発表 (査読なし・不明)

• Takuma Itoh, Marin Katsumata, Kei Shigematsu, Masaki Azuma. Control of ferromagnetic and ferroelectric domains in BiFe_0.9Co_0.1O₃ thin films by utilizing trailing fields, IEEE ISAF2021, 2021.
• Takuya Ohmi, Tomoaki Miura, Tadaaki Ikoma, Masaki Azuma, Takafumi Yamamoto. Structural Transition and Photophysical Properties of Mixed–Anion Layered Perovskite (MA)₂PbI_2–xBr_x(SCN)₂, International Conference on Mixed-Anion Compounds（ICMAC）, 2021.
• K. Shigematsu, T. Asakura, H. Yamamoto, K. Shimizu, M. Katsumata, H. Shimizu, Y. Sakai, H. Hojo, K. Mibu, M. Azuma. Room temperature ferromagnetism in BiFe1−xMnxO3 thin film induced by spin-structure manipulation, iLIM-3, Sept. 2018.
• Hirokazu Kyokane, Keisuke Shimizu, Kei Shigematsu, Hajime Hojo, Masaki Azuma. Fabrication of Strain-induced Tetragonal Sr1-xBaxVO3 Thin Film, ISNTE-II, Dec. 2017.
• Haruki Shimizu, Keisuke Shimizu, Hajime Yamamoto, Hajime Hojo, Kei Shigematsu, Masaki Azuma. Stable polarization reversal in third elements substituted multiferroic BiFe0.9Co0.1O3 thin films, The 9th APCTP Workshop on Multiferroics, Nov. 2017.
• Keisuke Shimizu, Ryo Kawabe, Hajime Yamamoto, Hajime Hojo, Kei Shigematsu, Masaki Azuma. Direct observation of magnetization reversal by polarization switching in multiferroic Co-substituted BiFeO3 thin film, The 9th APCTP Workshop on Multiferroics, Nov. 2017.
• H. Kyokane, K. Shimizu, K. Shigematsu, H. Hojo, M. Azuma. Fabrication of Tetragonal Sr1-xBaxVO3 Thin Film with d1 Configuration, ICMaSS2017, Sept. 2017.

国内会議発表 (査読なし・不明)

• 西久保 匠, 酒井 雄樹, 東 正樹. 新規アニオン欠損秩序型ペロブスカイトBiNi_1-xFe_xO₂.8の構造と特異な電荷秩序, 日本セラミックス協会2024年年会, 2024.
• Koomok Lee, Hena Das, Yuki Sakai, Takumi Nishikubo, Kei Shigematsu, Daiki Ono, Takehiro Koike, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Material Design for Low Power Consumption Multiferroic Memory using High Spin Co³⁺ substituted BiFeO3, 第15回在日科協合同分科会, 2024.
• 中山 創, 吉川 浩太, Lee Koomok, 安井 学, 金子 智, 黒内 正仁, 重松 圭, 東 正樹. 電子線描画HSQをマスクに用いたBiFe_0.9Co_0.1O₃ナノドットの作製, 第71回応用物理学会春季学術講演会, 2024.
• 伊藤 龍寿, 大見 拓也, 東 正樹, 山本 隆文. 有機-無機ハイブリッド化合物の高圧合成と結晶構造変化, 第62回セラミックス基礎科学討論会, 2024.
• 生見俊樹, 長瀬鉄平, 重松圭, 東正樹, 山本隆文. 酸素欠損型ペロブスカイト SrV_0.3Fe_0.7O_2.8 の薄膜作成と構造・物性評価, 第62回セラミックス基礎科学討論会, 2024.
• 上野 俊輔, 石川 忠彦, 田久保 耕, 沖本 洋一, 腰原 伸也, 伊藤 拓真, 小野 大樹, 重松 圭, 東 正樹. 光学ポンププローブ測定から見たBiFeO3薄膜の光誘起ダイナミクス, 第33回日本MRS年次大会, Nov. 2023.
• 大坪 悠耶, 長瀬鉄平, 東 正樹, 山本 隆文. (111)p酸素欠損面を持つペロブスカイト型酸化物 Ba₆Na₂Ta₂X₂O₁₇(X = P, V)の合成と構造解析, 日本セラミックス協会第36回秋季シンポジウム, 2023.
• Takuya Ohmi, Masaki Azuma, Takafumi Yamamoto. The Effects on Substitution of Thiocyanate Anion for FAPbI₃, 日本化学会 第103春季年会(2023), 2023.
• 英遼太郎, 西久保匠, 東正樹, 山本隆文. ペロブスカイト型バナジウム酸窒化物のアニオン欠損面の制御, 第61回セラミックス基礎討論会, 2023.
• 大河内寛保, 西久保匠, 酒井雄樹, 東正樹, 山本隆文. 高温高圧下のフラックス法を用いたバナジウム酸水素化物の単結晶育成, 第61回セラミックス基礎討論会, 2023.
• 長瀬 鉄平, 西久保 匠, 東 正樹, 山本 隆文. 室温で磁気抵抗効果を示す SrV_0.3Fe_0.7O_2.8 における元素置換効果, 第61回セラミックス基礎討論会, 2023.
• Takuma Itoh, Kei Shigematsu, Peter Meisenheimer, Paul Stevenson, Ramamoorthy Ramesh, Masaki Azuma. Electric-field-driven reversal of ferromagnetism in (110)-oriented single phase multiferroic Co-substituted BiFeO₃ thin films, The 14th APCTP Workshop on Multiferroics, 2023.
• Kei Shigematsu, Marin Katsumata, Takuma Itoh, Keita Ozawa, Haruki Shimizu, Keisuke Shimizu, Masaki Azum. Magnetic Domain Change Induced by In-Plane Electric Polarization Switching in Bi(Fe、Co)O₃ Thin Film, The 14th APCTP Workshop on Multiferroics, 2023.
• Koomok Lee, Kei Shigematsu, Hena Das, Naomi Kawamura, Masaichiro Mizumaki, Naoki Ishimatsu, Masaki Azuma. Emergence of weak ferromagnetism in High Spin Co³⁺ substituted BiFeO₃, The 14th APCTP Workshop on Multiferroics, 2023.
• 西久保 匠, 酒井 雄樹, 大和田謙二, 押目典宏, 久留島康輔, 森 茂生, 東 正樹. PbVO₃ベース負熱膨張物質の立方晶-正方晶相間ドメイン構造の観察, 日本MRS年次大会, 2023.
• 西久保匠, 酒井雄樹, DAS Hena, 東正樹. ペロブスカイトPbMnO₃の電荷秩序状態の解明, 第64回高圧討論会, 2023.
• 田久保耕, 金子水咲, 于洪武, 石川忠彦, 沖本洋一, 腰原伸也, 矢嶋渉, 羽田真毅, 桑原真人, 小澤慶太, 伊藤拓真, 重松圭, 東正樹. BiFeO3/SrTiO3(111) 薄膜のポンププローブ電子線回折測定, 日本物理学会 2022年秋季大会, Sept. 2022.
• 山本 孟, 上山 幸子, 山田 幾也, 東 正樹, 西久保 匠, 木村 宏之. イルメナイト型酸化物 MgVO₃における構造相転移と負熱膨張, 日本セラミックス協会第35回秋季シンポジウム, 2022.
• 上山 幸子, 山本 孟, 福田 真幸, 岡崎 湧一, 中村 崇司, 西久保 匠, 東 正樹, 山田 幾也, 木村 宏之. CoVO₃における V-V 二量体化と磁気基底状態, 日本セラミックス協会第35回秋季シンポジウム, 2022.
• 廣岡孝聡, 西久保匠, 東正樹. 共沈酸化同時プロセスを用いた巨大負熱膨張材料 BiNi_0.85Fe_0.15O₃ の合成, 粉体粉末冶金協会2022年度秋季大会, 2022.
• 大見 拓也, 西久保 匠, 東 正樹, 山本 隆文. (FA)PbI₃に対するチオシアン酸アニオンの置換効果, 第83回応用物理学会秋季学術講演会, 2022.
• 長瀬泰仁, 伊藤拓真, 重松 圭, 東 正樹. マロン酸陽極酸化アルミナマスクを用いた BiFe_0.9Co_0.1O₃ ナノドットの作製, 第83回応用物理学会秋季学術講演会, 2022.
• 長瀬鉄平, 西久保匠, 酒井雄樹, 重松圭, 東正樹, 山本隆文, 壬生攻, 南部雄亮, 池田陽一, 松田 雅昌. 酸素欠損型ペロブスカイトSrV_0.3Fe_0.7O_2.8における磁気抵抗効果, 日本セラミックス協会 第35回秋季シンポジウム, 2022.
• 小菅 大輝, 河口 彰吾, 別府 孝介, 細川 三郎, 東 正樹, 山本 隆文. 時分割 XRD による SrCrO _3–δ におけるトポケミカル反応の観察, 日本セラミックス協会 第35回秋季シンポジウム, 2022.
• 菅井 玲, 河口 彰吾, 別府 孝介, 細川 三郎, 東 正樹, 山本 隆文. 放射光を用いたSr₃Fe₂O_7-dのトポケミカル酸化還元反応の観察, 日本セラミックス協会 第60回基礎科学討論会, 2022.
• Koomok Lee, Hena Das, Kei Shigematsu, Masaki Azuma. Theoretical investigations of the canted antiferromagnetism in Co doped BiFeO₃, 応用物理学会, 2022.
• 笹原 悠輝, 清水 亮太, 西山 宣正, 東 正樹, 一杉 太郎. エピタキシャル薄膜技術を活用したCaSiO3ペロブスカイトの大気圧下回収の検討, 第62回高圧討論会, Oct. 2021.
• 笹原 悠輝, 清水 亮太, 西山 宣正, 東 正樹, 一杉 太郎. エピタキシャル安定化による高圧相ペロブスカイト型CaSiO3の大気圧下回収, 第82回応用物理学会秋季学術講演会, Sept. 2021.
• 笹原 悠輝, 清水 亮太, 西山 宣正, 東 正樹, 一杉 太郎. 大気圧下不安定な高圧相ペロブスカイト型CaSiO3のエピタキシャル安定化による大気圧下回収, 第5回固体化学フォーラム研究会, June 2021.
• 大見拓也, 三浦智明, 生駒忠昭, 東正樹, 山本隆文. 有機–無機ハイブリッド層状ペロブスカイト(MA)₂PbI_2−xBr_x(SCN)₂の構造相転移と光学特性, 日本セラミックス協会秋季シンポジウム, 2021.
• 田久保耕, Jin Sichen, 羽田真毅, 東正樹, 林靖彦, 桑原真人, 宮坂等, 石原純夫, 石川忠彦, 沖本洋一, 腰原伸也. 光誘起構造ダイナミクス測定のためのテーブルトップフェムト秒時間分解電子線回折装置の開発, 日本物理学会, Sept. 2020.
• 山本 一理, 清水 啓佑, 重松 圭, 東 正樹. 四重ペロブスカイトCeCu3Mn4O12薄膜の格子歪みによる磁気異方性の制御, 粉体粉末冶金協会 平成30年度秋季大会, Oct. 2018.
• 勝俣真綸, 清水陽樹, 清水啓佑, 重松圭, 東正樹. Bサイト置換BiFeO3薄膜の強誘電・磁性ドメイン構造変化, 応用物理学会, Sept. 2018.
• 重松 圭, 山本 一理, 清水 啓佑, 西久保 匠, 酒井雄樹, 東 正樹. フェリ磁性体四重ペロブスカイト型LnCu3Mn4O12薄膜の電子状態, Sept. 2018.
• 勝俣真綸, 清水陽樹, 清水啓佑, 重松圭, 東正樹. マルチフェロイックBiFe1−xMnxO3薄膜の強誘電・強磁性ドメイン観察, 第3回固体化学フォーラム, June 2018.
• 山本 一理, 清水 啓佑, 重松 圭, 東 正樹. 四重ペロブスカイトLaCu3Mn4-xFexO12薄膜の作製と磁気特性, 第65回応用物理学会春季学術講演会, Mar. 2018.
• 小沢陽, 馬ノ段月果, 沖本洋一, 石川忠彦, 腰原伸也, 清水啓佑, 北條元, 東正樹. BiFeO3単結晶薄膜の時間分解非線形分光, 第27回日本MRS年次学会, Dec. 2017.
• 清水 啓佑, 重松 圭, 東 正樹. 四重ペロブスカイトLnCu3Mn4O12薄膜の作製と室温フェ リ磁性, 応用物理学会秋季学術講演会, Sept. 2017.
• 重松 圭, 清水 啓佑, 東 正樹. パルスレーザー堆積法による四重ペロブスカイト酸化物の薄膜合成, 第78回応用物理学会秋季学術講演会, Sept. 2017.
• 清水陽樹, 清水啓佑, 山本孟, 北條元, 重松圭, 東正樹. マルチフェロイックBiFe0.9Fe0.1O3薄膜への第3元素置換, Sept. 2017.
• 小沢陽, 馬ノ段月果, 沖本洋一, 石川忠彦, 腰原伸也, 清水啓佑, 北條元, 東正樹. BiFeO3単結晶薄膜の時間分解非線形分光, 日本物理学会 2017年秋季大会, Sept. 2017.
• 浅倉 武志, 山本 孟, 清水 啓佑, 重松 圭, 北條 元, 壬生 攻, 東 正樹. BiFe1-xMn xO3のスピン構造変化, 応用物理学会, Mar. 2017.
• 東 正樹. ビスマス・鉛ペロブスカイトの系統的な電荷分布変化, 第64回応用物理学会春季学術講演会, Mar. 2017.
• 浅倉武志, 山本孟, 清水啓佑, 重松圭, 北條元, 壬生攻, 東正樹. BiFe1-xMn xO3のスピン構造変化, 第55回セラミックス基礎科学討論会, Jan. 2017.
• 成瀬卓, 沖本洋一, 馬ノ段月果, 深谷亮, 野澤俊介, 腰原伸也, 石川忠彦, 清水啓佑, 北條元, 東正樹. BiFe0.5Co0.5O3薄膜結晶における光による電子状態制御, 第26回光物性研究会, Dec. 2015.
• 東 正樹. PbCrO₃のPb^2+/4+電荷グラスと圧力誘起電荷移動, ｢ナノ構造情報｣第5回全体会議, July 2015.
• 岩崎淳平, 片桐隆雄, 柳瀬侑起, 渡辺友亮, 笹川崇男, 東正樹, 小田原修, 和田裕之. 緑色蛍光体(Ba3-x,Cax)Si6O12N2:Eu2+(x=0~0.75)の合成と光学特性評価, 第61回応用物理学会春季学術講演会, Mar. 2014.
• 森田 洋輔, 高野 幹夫, 須田山 貴亮, 田久保 耕, 溝川 貴司, 山田 幾也, 白木 宏, 齊藤 高志, 東 正樹, 島川 祐一. 24aPS-78 Aサイトダブルペロブスカイト(Ca,Na)Cu_3V4O_<12>の光電子分光(24aPS ポスターセッション(低温),領域8(強相関係:高温超伝導,強相関f電子系など)), 日本物理学会講演概要集, 一般社団法人 日本物理学会, Vol. 63, No. 0, 2008.
• 森田 洋輔, 須田山 貴亮, 田久保 耕, 溝川 貴司, 山田 幾也, 白木 宏, 東 正樹, 島川 祐一, 高野 幹夫. 22aWG-7 Aサイトダブルペロブスカイト(Ca,Y)Cu_3Co4O_<12>の光電子分光(Co酸化物,熱電材料,領域8,強相関係:高温超伝導,強相関f電子系など), 日本物理学会講演概要集, 一般社団法人 日本物理学会, Vol. 62, No. 0, 2007.

その他の論文・著書など

• 東 正樹. 巨大負熱膨張材料BiNi_1−xFexO₃とゼロ熱膨張コンポジット, マテリアルステージ, 23, 12, Mar. 2024.
• 重松 圭, 清水啓佑, 北條 元, 東 正樹. コバルト置換ビスマスフェライト薄膜における電場印加磁化反転, 日本物理学会誌, 78, 12, Dec. 2023.
• 東 正樹, 岡 研吾, 山本 孟, 酒井 雄樹. 巨大負熱膨張材料の研究, 粉体および粉末冶金, 69, 356-361, Aug. 2022.
• 東 正樹, 山本 孟. 巨大負熱膨張への挑戦 電子ドープ強誘電体PbVO₃, 化学, Vol. 73, No. 10, pp. 68-69, Oct. 2019.
• 東 正樹, 岡 研吾, 山本 孟, 酒井 雄樹. 相転移型巨大負熱膨張物質, 応用物理, Vol. 88, No. 3, Mar. 2019.
• 東 正樹. 金属間電荷移動による巨大負熱膨張材料BiNi₁-_xFe_xO₃とゼロ熱膨張コンポジット, セラミックス, Vol. 52, pp. 590-592, Sept. 2017.
• 東 正樹. 巨大負熱膨張材料 BiNi₁-_xFe_x0₃ を用いたゼロ熱膨張コンポジット, 表面技術, Vol. 67, No. 3, pp. 15-19, Mar. 2016.
• 東 正樹. 巨大負熱膨張材料 BiNi₁-_xFe_x0₃ とゼロ熱膨張コンポジット, MATERIALSTAGE, Vol. 15, No. 7, pp. 10-12, 2015.
• 東正樹. 巨大負熱膨張粉体を用いたゼロ熱膨張コンポジット, ホソカワ粉体工学振興財団年報, 公益財団法人 ホソカワ粉体工学振興財団, Vol. 23, pp. 18-22, 2015.
• 東 正樹. BiNiO₃の圧力誘起サイト間電荷移動と負熱膨張への展開, 化学と工業, Vol. 67, pp. 18-20, Jan. 2014.
• 東正樹. 負の熱膨張物質, パリティ, Vol. 28, No. 1, pp. 27-29, Jan. 2013.
• 東 正樹. ビスマスの特性を活かした環境調和機能性酸化物の開発, 未来材料, Vol. 12, No. 12, pp. 58-62, Dec. 2012.
• 東 正樹, 岡 研吾. ぺロブスカイトBiNiO₃におけるサイト間電荷移動と巨大負の熱膨張, 日本結晶学会誌, Vol. 54, No. 6, pp. 325-331, Dec. 2012.
• 東 正樹. 温めると縮む新材料, パリティ, Vol. 27, No. 9, pp. 37-40, Sept. 2012.
• Masaki Azuma, Masaichiro Mizumaki, Toru Watanuki. Colossal negative thermal expansion in BiNiO₃ induced by intermetallic charge transfer, SPring-8 Research Frontiers 2011, pp. 52-53, Aug. 2012.
• 東 正樹. 新しい負の熱膨張セラミックス, FINE CERAMICS REPORT, Vol. 30, No. 1, pp. 28-31, Jan. 2012.
• 東 正樹. 巨大な負の熱膨張を示すぺロブスカイト酸化物Bi₁-xＬaxNiO₃, 工業材料, Vol. 60, No. 1, pp. 2-3, Jan. 2012.
• 東 正樹. 菱面体晶‐正方晶固溶体BiFeO₃－BiCoO₃, マテリアルインテグレーション, Vol. 24, No. 12, pp. 27-32, Dec. 2011.
• 東 正樹, 島川 祐一, 水牧仁一朗, 綿貫 徹. ペロブスカイトBiNiO3におけるサイト間電荷移動と巨大負の熱膨張, SPring-8 Information, Vol. 16, No. 4, pp. 261-266, Nov. 2011.
• Kenneth R. Poeppelmeier, Masaki Azuma. Ionothermal synthesis:A new spin on frustration, NATURE CHEMISTRY, Vol. 3, pp. 758-759, Oct. 2011.
• 東 正樹, 松田 雅昌. ハニカム格子反強磁性体が示すフラストレーション, 日本物理学会誌, Vol. 66, No. 8, pp. 614-617, Aug. 2011.
• 東正樹. 機能性遷移金属酸化物の高圧合成, セラミックス, Vol. 46, No. 5, pp. 372-377, May 2011.
• Miura, K., Masaki Azuma, HIROSHI FUNAKUBO. Electronic and structural properties of ABO3: Role of the B-O coulomb repulsions for ferroelectricity, Materials, Vol. 4, No. 1, pp. 260-273, 2010.
• 東正樹. 新しいビスマス・鉛ペロブスカイトPbVO3・BiCoO3とBiNiO3, セラミックス, Vol. 43, pp. 617-621, 2008.
• 東正樹, 岡研吾, 辻本将彦, 齊藤高志, 磯田正二, 島川祐一, 高野幹夫, 新高誠司, Alexei Belik. Bi, Pb-3d遷移金属ペロブスカイトの構造物性研究, 日本結晶学会誌, Vol. 49, No. 6, pp. 335-340, 2007.
• 東正樹, 齊藤高志, 山田幾也, 島川祐一, 高野幹夫. 放射光Ｘ線その場観察に基づく高圧相遷移金属酸化物の単結晶育成, 放射光, Vol. 19, No. 5, pp. 304-313, 2006.
• 東正樹. ペロブスカイトSrTiO3の青色発光, 化学, Vol. 61, No. 2, pp. 59-60, 2006.
• 石渡晋太郎, 齊藤高志, 東正樹, 高野幹夫. ペロブスカイト型ニッケル酸化物の固体化学, セラミックス, Vol. 41, No. 3, pp. 183-188, 2006.
• 東正樹, 幸坂祐生, 山田幾也, Belik Alexei, 高木英典, 高野幹夫. 高圧下での酸化物単結晶育成と新物質探索, 応用物理, Vol. 74, No. 1, pp. 27-31, 2005.
• 東正樹, 高田和英, 齊藤高志, 山田幾也, 島川祐一, 高野幹夫. 機能性酸化物材料探索の新展開, 高圧力の科学と技術, Vol. 15, No. 4, pp. 292-302, 2005.
• 東正樹, 齊藤高志, 新高誠司, 石渡晋太郎, 神田浩周, 山田幾也, 高野幹夫, 内海渉. 放射光Ｘ線回折を利用した高圧合成研究, 固体物理, Vol. 38, No. 2, pp. 141-150, 2003.
• 東正樹, 高野幹夫. GPa領域での遷移金属酸化物単結晶育成, 日本物理学会誌, Vol. 57, No. 7, pp. 492-499, 2002.
• 内海渉, 片山 芳則, 水谷 剛, 下村 理, 山片 正明, 東正樹, 齊藤高志. 原研ビームライン（BL14B1）における高温高圧下Ｘ線回折実験, 日本結晶学会誌, Vol. 42, No. 1, pp. 59-67, 2000.
• 東正樹, 高野幹夫. スピン梯子化合物およびその周辺物質, 物性研究, Vol. 74, No. 4, pp. 343-356, 2000.
• M. Takano, Z. Hiroi, M. Azuma, Y. Takeda. Application of High Pressure and High Oxygen Pressure to Copper Oxides, Mechanisms of Superconductivity, JJAP Series, Vol. 7, pp. 3-13, 1992.
• 高野幹夫, 広井善二, 東正樹, 武田保雄. 新しい銅酸化物超伝導体の探索：高圧合成, 固体物理, Vol. 27, No. 3, pp. 251-255, 1992.
• 高野幹夫, 広井善二, 東正樹, 武田保雄. アルカリ土類−銅酸化物超伝導体の高圧合成, 応用物理, Vol. 61, No. 5, pp. 503-507, 1992.

特許など

• 東正樹, PAN ZHAO , 山本孟, Jurgen Rodel, 酒井　雄樹　. 圧電体. 特許. 公開. 国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所（KISTEC）. 2020/03/13. 特願2020-044500. 2021/09/24. 特開2021-143114. 2021.
• 東正樹, 酒井　雄樹　. 負熱膨張性材料の製造方法. 特許. 公開. 国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所（KISTEC）. 2019/12/06. 特願2019-220914. 2021/06/10. 特開2021-088495. 2021.
• 東正樹, 重松圭, 清水啓佑, 山本　一理, 酒井　雄樹. 積層体. 特許. 公開. 国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所（KISTEC）. 2019/09/25. 特願2019-174070. 2021/04/01. 特開2021-050116. 2021.
• 東正樹, 酒井　雄樹　, 小嶋　貴博　. 樹脂組成物およびその樹脂成形体. 特許. 登録. 国立大学法人東京工業大学, キヤノン株式会社, 地方独立行政法人神奈川県立産業技術総合研究所（KISTEC）. 2019/07/23. 特願2019-135114. 2021/02/15. 特開2021-017514. 特許第7351477号. 2023/09/19 2023.
• 東正樹, 西久保匠, 酒井　雄樹　, 岡　研吾　. 負熱膨張性材料、及び複合体. 特許. 登録. 国立大学法人東京工業大学, 地方独立行政法人神奈川県立産業技術総合研究所（KISTEC）, 学校法人中央大学. 2015/08/31. 特願2015-170990. 2017/03/09. 特開2017-048071. 特許第6555473号. 2019/07/19 2019.
• 東正樹, 岡研吾, 坂口　智可, 奈部谷光一郎, 村松裕也. 負熱膨張性材料. 特許. 登録. 国立大学法人東京工業大学. 2013/07/23. 特願2014-531487. 2016/07/28. 再表2014/030293. 特許第6143197号. 2017/05/19 2017.

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